System:3 Tank O-Ring - 21 Inch Tank fitting-type_Ell - 45 Degree This is a Taylor Complexing

This is a Taylor Complexing replacement reagent for various Taylor pool water testing kits

This is a Taylor Copper Reagent #2

self-priming against pressure

Service units ship partially assembled

5 for bolt patterns

System:3 Tank O-Ring - 21 Inch Tank fitting-type_Ell - 45 Degree This is a Taylor ComplexingThis is a replacement Tank O Ring for Sta Rite System: 3 Modular Media SM Series Cartridge Filters, and Sta Rite System: 3 SD Series D. E. Filters, with 21 inch filter tanks. This o ring has been manufactured in accordance with OEM specifications and is designed to meet or exceed the original manufacturer specifications.