TRIDON EXP TANK CAP 21 PSI - 145 KPA PLASTIC SCREW ONPart No. DA21145 Type RADIATOR CAP Brand TRIDON Unit of Measure EACH Description Tridon Exp Tank Cap 21 PSI 145 KPa Plastic Screw On Warranty One Year Outside Diameter 63mm Seal Outside Diameter 29. 5mm Type Recovery Height 35. 5mm Item Type Radiator Cap Material Type Plastic Pressure Scale 21PSI 145KPa Weight 0. 06kg Features DA Series Cap 21 PSI, 145 KPA Pressure Rating Recovery Style Cap Double Seal Plastic, Screw On Cap Product Group 1 COOLING