LESSO AMERICA, INC.

PIPE FITTINGS CATALOG

NSF

GROUP PROFILE

Training Apartment

LESSO Research Institute &Testing Center <br>LESSO College

China LESSO Group Holdings Limited

China Lesso Group Holdings Limited (Stock Name: China Lesso, Stock Code: 02128.HK) is a large industrial groupof home furnishings andbuilding materials in China. China Lesso's business portfolio spans plastic piping,building materials and home furnishings, environmental protection, new energy，supply-chainserviceplatforms and others. It offers products such as pipes, photovoltaics,plumbing and sanitaryware,integral kitchenmaterials,integraldoors and windows, aluminumformwork and smart scaffolds,water purifiers, water-proofing materials and sealants, fire-fighting equipment, valves,cables，lighting, hygiene materials,items for environmental protection，agricultural facilities,and oceanic aquaculturecages.Itssalesrevenuehasreached RMB 30.767 billion in 2022.

Withtherapiddevelopmentofinternationalization and globalization, China Lesso boasts more than 30advanced productionbases distributed in 18 provinces across China,and in some foreign countries.China Lesso remains committed to improving its strategic layout,broadening its sales network and expanding the market. This is how it providesproducts and servicesforcustomersina timely and efficient way.

ChinaLessohasestablished itsR&Dcenter with more than 1,0o0 scientific researchers.The Group nowpossesses thirty-twonationalhigh-tech enterprises,onenationalaccreditedenterprise technology center,two post-doctoral workstations, sixChinanationalaccreditedlaboratories authorized by CNAS,onekey enterprise laboratory ofplasticsmolding andprocessing technology in Guangdong Province, and one union of Technical InnovationofPlasticPipe Industry in Guangdong Province. China Lesso owns over 2,900 patents (some of them are pending).Some of Lesso's scientificachievementsareincludedinNational

Torch Plan Projects,National Key New Product, ScientificAchievementsPromotionProjectsin NationalConstructionIndustryandGovernment GreenProcurementList.The Group has been awardedmanyhonorarytitles,suchasChampion Manufacturer,National IntellectualProperty Right Model Enterprise,China ConstructionIndependent Science Innovation Superior Enterprise,and Industrialization Demonstration Base.It has won numerous prizes,including First Prize of Science and Technology Progress of China Light Industry Association,First Prize of Science and Technology Progress of Ministry of Education, First Prize of Science and Technology Progress of Guangdong Province，First Prize of Technological Invention Awardof GuangdongProvinceScience and Technology Award,Outstanding Patent Owner in China，and Guangdong Provincial Government QualityPrize.

Asadomesticmanufacturerof extensivehome furnishings and building materials, China Lesso provides over 10,000 varieties of products with all specifications. Its products are being widely used in many areas, including home decoration, civil construction, municipal water supply, drainage, energy management，power supply and telecommunications，gas supply，fire-fighting, environmental protection，agriculture，oceanic aquaculture,andmore.

True to its slogan of “Envisioning the Better, Building the Future", China Lesso will honor its promise of creating a healthy，enjoyable，and sustainableenvironment.The Groupremains committed toimprovements in urban construction tocreatebetter placestolive.Withconcerted effortsfrom various sectors,Lesso willfullyplay its role inbuilding green,livable,and efficient cities so thatpeoplecouldenjoyhealthandhappiness anytimeand anywhereintheircity life.

COMPANY PROFILE

LESSO AMERICA,INC.

Based in Corona, CA, LESSO America, Inc. is a wholly owned subsidiary of China Lesso Group Holdings Limited.LESSO America absorbed decades of field experience in the plumbing and irrigation field from its listedparent,aleadingplayer in thefield.

To sustain its flawless plastic injection-molded product line and sales network,Lesso America manufactures and delivershigh-qualityplasticfittingswith thelatest injectionmold tools andtechnology throughdistribution centersfromcoasttocoast.With 100% dedicationandcommitment,LESSOAmericaisleveraging the inherited success of its mother company's model to provide an outstanding customer experience for our Clients.

Quality

LessoAmerica's plastic fittings line is renowned worldwide for its superior quality,which complies with cNSFus, CSA and cUPCcertifications,and exceeds therequirements of ASTMstandards.

Independent Resarch And Development, Keep Step With The World

International Certifications

PVC Schedule 40 Fittings

QUALITY

LESSOAmerica'splasticfittingslineisrenownedworldwidefor its superior quality, which complies with cNSFus and cUPC certifications,and exceedsthe requirements of ASTM standardsandCsAstandards.

REFERENTIALSTANDARDS

NSF/ANSI61DrinkingWaterSystemComponents-HealthEffects

NSF/ANSI 14 Plastics Piping System Components and Related Materials

ASTMD1784StandardSpecificationforRigidPoly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride)(CPVC) Compounds

ASTM D 2466 Standard Specification forPoly(Vinyl Chloride)(PVC) PlasticPipeFittings,Schedule40

CSA B137.3 Rigid Polyvinylchloride (PVC) Pipe and Fittings for PressureApplications

LESSO°America

COLUMNHEADERINFORMATION

Each product column header label identifies thefollowing product particulars: Part Number: the number used to order the part. PN ending with B represents it with a UPC barcode. Size:nominal diameter of pipewithwhichthefittingistobeused.

NOTE: Fittings may be same size (only one size designation) or reducing (multiple sizes designated).
Standard Pack (Std Pk) the quantity of parts packaged in an individual box or bag.
Master Carton (Mstr Ctn) the total quantity of parts contained in individual boxes or bags which are packaged together.

METHODSOFDESIGNATINGINLETSOFFITTINGS

PVC SCHEDULE 40 FITTINGS

REDUCING TEE(SOCxSOCxSOC)

PVCSCHEDULE4OFITTINGS

PVCSCHEDULE40FITTINGS

TEE (SOCxFIPT xSOC)

90°SWEEPELL(SOCxSOC)

90°STREET ELL(SPIG×FIPT)

TEE (FIPT×FIPT×FIPT)

90° REDUCINGELL (\mathsf{S O C}x\mathsf{S O C})

90°ELL (SOCxSOC)

90° ELL ({\mathsf{S O C}}x{\mathsf{F l P T}})

PVCSCHEDULE4OFITTINGS

90° REDUCING ELL(SOC×FIPT)

90° STREETELL(MIPT×SOC)

90°ELL (FIPT×FIPT)

90° REDUCINGSTREETELL(MIPTxSOC)

90° STREETELL(SPIG×SOC)

11-1/4°ELL(SOC×SOC)

PVCSCHEDULE4OFITTINGS

SIDEOUTLETELL(SOCxSOCxSOC)

DEEPSOCKET45°ELL(SOC×SOC)

22-1/2° ELL (SOCxSOC)

45°ELL(SOCxSOC)

PVCSCHEDULE4OFITTINGS

REDUCINGCROSS(SOCxSOCxSOCxSOC)

PVCSCHEDULE40FITTINGS

COUPLING (FIPT×FIPT)

REDUCINGCOUPLING(FIPTxFIPT)

REDUCING FEMALEADAPTER ({\mathsf{S O C}}x{\mathsf{F l P T}})

MALE ADAPTER (MIPT×SOC)

PVCSCHEDULE4OFITTINGS

PVCSCHEDULE40FITTINGS

CAP (SOC)

CAP (FIPT)

PVCSCHEDULE4OFITTINGS

PLUG (SPIG)

PLUG (MIPT)

SNAP-ON SADDLE (IPS O.D.×FIPT)

VENTURIED TEE (SOCxSOC(SPIG)xSOC(SPIG))

WYE (SOCxSOCxSOC)

PVCSCHEDULE4OFITTINGS

REDUCINGWYE(SOCxSOCxSOC)

Pressure Rating 1/2"- 2" 235psi @73°F(23°℃) 2-1/2"- 6" 150psi @73°F(23°C)

UNION W/O-RINGSEAL(SOCxSOC)

PVCSCHEDULE4OFITTINGS

COMPRESSIONTEE(GASKETxGASKETxFIPT)

EXPANDREPAIRCOUPLING ({\mathsf{S O C}}x{\mathsf{S P I G}})

PVC UVR Sch40 Fittings

QUALITY

LESSO America's plastic fittings line is renowned worldwide for its Superior quality, which complies with cNSFus and UPC certifications, and exceeds the requirements of ASTM standardsandCsAstandards.

REFERENTIALSTANDARDS

NSF/ANSI 61 Drinking Water System Components-Health Effects

NSF/ANSI14 Plastics Piping System Components and Related Materials

ASTM D 1784StandardSpecification forRigidPoly(Vinyl Chloride)(PVC) Compounds and Chlorinated Poly(Vinyl Chloride)(CPVC) Compounds

ASTM D 2466Standard Specification forPoly(Vinyl Chloride)(PVC) PlasticPipeFittings,Schedule40

CSA B137.3 RigidPolyvinylchloride (PVC)Pipe and Fittings for Pressure Applications

LESSO°America

COLUMNHEADERINFORMATION

Each product columnheaderlabelidentifies thefollowing product particulars: Part Number: the number used to order the part. PN ending with B represents it with a UPC barcode.
Size: nominal diameter of pipe with which the fitting is to be used.
NOTE: Fittings may be same size (only one size designation) or reducing (multiple sizes designated).
Standard Pack (Std Pk) the quantity of parts packaged in an individual box or bag.
Master Carton (Mstr Ctn) the total quantity of parts contained in individual boxes or bags which are packaged together.

METHODSOFDESIGNATINGINLETSOFFITTINGS

PVCUVRSCHEDULE40FITTINGS

PVCUVRSCH40FITTINGS

TEE (SOCxSOCxSOC)

TEE(SOCxSOCxFIPT)

90° ELL (SOCxSOC)

45° ELL(SOCxSOC)

90°ELL (SOC×FIPT)

90° REDUCING ELL (SOC×FIPT)

90°ELL (FIPT×FIPT)

90°STREET ELL(MIPT×FIPT)

PVCUVRSCH40FITTINGS

COUPLING ({\mathsf{S O C}}x{\mathsf{S O C}})

COUPLING(FIPT×FIPT)

FEMALEADAPTER(SOCXFIPT)

REDUCINGBUSHINGFLUSHSTYLE(SPIGxSOC)

REDUCINGMALEADAPTER(MIPTxSOC)

MALEADAPTER(MIPTxSOC)

Fitting Terms and Abbreviations: ELL: EIbow SOC:Solvent Weld Socket SPIG : Spigot End (pipe O.D. size) MIPT : MalelronPipeThread FIPT : Female Iron Pipe Thread

Note:part of item aren't listed in upc certification

PVC Schedule 80 Fittings

QUALITY

LESSOAmerica'splasticfittings lineisrenownedworldwide for its superior quality,which complies with cNSFus certifications,and the requirements of ASTM standards.and CSAstandards.

REFERENTIALSTANDARDS

NSF/NASI61DrinkingWaterSystemComponents-HealthEffects

NSF/NASI 14PlasticsPipingSystemComponentsandRelatedMaterials

ASTMD 1784Standard Specificationfor Rigid Poly(Viny Chloride)(PVC) Compoundsand ChlorinatedPoly(VinyChloride)(CPVC)Compounds

ASTM D 2467Standard Specification for Rigid Poly (Viny Chloride)(PVC) PlasticPipeFittings,Schedule80

ASTMF1970StandardSpecificationforSpecial EngineeredFittings, Appurtenances or Valvesforusein Poly (Viny Chloride)(PVC)or ChlorinatedPoly(VinyChloride)(CPVC)Systems

CSA B137.3RigidPolyvinylchloride(PVC)PipeandFittingsforPressure Applications.

LESSO°America

COLUMNHEADERINFORMATION

Eachproductcolumnheaderlabel identifiesthefollowingproductparticulars: Part Number:the number used to order the part.PN ending withB represents it with a UPC barcode.
Size: nominal diameter of pipewithwhich the fitting is tobe used.
NOTE: Fittings may be same size (only one size designation) or reducing (multiple sizes designated).
Standard Pack (Std Pk) the quantity of parts packaged in an individual box or bag.
Master Carton (Mstr Ctn) the total quantity of parts contained in individual boxes or bags which are packaged together.

METHODSOFDESIGNATINGINLETSOFFITTINGS

PVC SCHEDULE 80 FITTINGS

PVCSCHEDULE8OFITTINGS

TEE(SOCXSOCXFIPT)

90° EllI ({\mathsf{S O C}}x{\mathsf{S O C}})

PVCSCHEDULE8OFITTINGS

90° EllI ({\mathsf{S O C}}x{\mathsf{F l P T}})

45° Ell (FIPT×FIPT)

90° Ell(FIPT×FIPT)

45° Ell ({\mathsf{S O C}}x{\mathsf{S O C}})

COUPLING (SOCxSOC)

PVCSCHEDULE8OFITTINGS

PVCSCHEDULE8OFITTINGS

CAP (SOC)

PLUG (MIPT)

CAP (FIPT)

PLUG (SPIG)

PVCSCHEDULE8OFITTINGS

FLANGE ONEPIECE (SOC)

FLOOR FLANGE (FIPT)

VANSTONEFLANGE

WYE (SOC X SOC X SOC)

REDUCINGNIPPLE(MIPTXMIPT)

UNIONW/O-RINGSEAL(SOCxSOC)

UNIONW/O-RINGSEAL(FIPTXFIPT)

UNIONW/O-RINGSEAL(SOCXFIPT)

PVC DWV Fittings

QUALITY

LESSO America's plastic fittings line is renowned worldwide for its superior quality, which complies with cNSFus and cUPC certifications,and exceeds therequirements ofASTM standards andCsAstandards.

REFERENTIALSTANDARDS

NSF/ANSI 14 Plastics Piping System Components and Related Materials

NSF SE 7992 ABS and PVC DWV Fitting with Alternate Fitting Patterns

ASTM D 1784Standard Specification forRigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds

ASTM D 2665 Standard Specification for Poly(Vinyl Chloride)(PVC) PlasticDrain,Waste,andVentPipe andFittings

CSA B 181.2 Polyvinylchloride (PVC) and Chlorinated Polyvinylchloride (CPVC) Drain, Waste, and Vent Pipe and Pipe Fittings

LESSO°America

COLUMN HEADER INFORMATION

Eachproductcolumn headerlabel identifiesthefollowingproductparticulars: Part Number: the number used to order the part. PN ending with B represents it with a UPC barcode.
Size: nominal diameter of pipe with which the fitting is to be used.
NOTE:Fittings may be same size (only one size designation) or reducing (multiple sizes designated).
Standard Pack (Std Pk) the quantity of parts packaged in an individual box or bag.
Master Carton (Mstr Ctn) the total quantity of parts contained in individual boxes or bags which are packaged together.

METHODS OF DESIGNATING INLETS OF FITTINGS

FEMALEADAPTEREANOUTPLUG1/4BEND1/4BENDWITH1/4BENDW/LOWDOUBLE1/4BENDCLOSETFLANGE SIDEINLET HEEL INLET

SANITARYTEEW/LEFTSIDEINLETSANITARYTEEW/R&LSIDEINLETS

DOUBLESANITARYTEE,W/SIDEINLET

DOUBLE SANITARY TEE W/ R&L SIDE INLETS

PVCDWVFITTINGS

COUPLING (\mathsf{H}x\mathsf{H})

PIPEINCREASER-REDUCER (\mathsf{H}x\mathsf{H})

FEMALE ADAPTER (\mathsf{F P T}x\mathsf{H})

REDUCINGFEMALEADAPTER (\mathsf{H}x\mathsf{F}\mathsf{P}\mathsf{T})

TRAP ADAPTER-MALE (Sx S\sqcup P)

TRAPADAPTER-MALEW/PLASTICNUT (Sx S\sqcup P)

TRAP ADAPTER-MALE W/1-1/2 PLASTIC NUT & WASHERAND1-1/2x1-1/4WASHER (\mathsf{S}x\mathsf{S}\lfloor\mathsf{P}⟩

TRAPADAPTER-MALEW/PLASTICNUT& WASHER (\mathsf{S}x\mathsf{S}\mathsf{L}|\mathsf{P})

PVCDWVFITTINGS

TRAP ADAPTER - FEMALE ({\mathsf{H}}x{\mathsf{S}}{\mathsf{L}}{\mathsf{P}})

FITTINGCLEANOUTADAPTERW/C.O.PLUG (\mathsf{S}x\mathsf{F}\mathsf{P}\mathsf{T})

TRAPADAPTER-FEMALEW/1-1/2PLASTICNUT& WASHERAND 1-1/2x1-1/4 WASHER ({\mathsf{H}}x{\mathsf{S}}{\mathsf{L}}{\mathsf{P}})

TRAP ADAPTER-FEMALE W/PLASTIC NUT & WASHER \mathsf{(HxS L|P)}

FITTINGCLEANOUTADAPTER (\mathsf{S}x\mathsf{F}\mathsf{P}\mathsf{T})

CLEANOUT PLUG (MPT)

CLEANOUT PLUG W/GASKET (MPT)

FLUSH BUSHING (Sx H)

PVCDWVFITTINGS

REDUCERBUSHING(DISHWASHERBUSHING) (\mathsf{S}x\mathsf{F}\mathsf{P}\mathsf{T})

MALE ADAPTER (\mathsf{M P T}x\mathsf{H})

FLUSH C. O. PLUG (MPT)

PLUG SLIP (S)