Shelco-(12021-B) Gasket for 12FOS, 12SD, & 12UD Series, Buna (Clamp Only) Test Kits } Waterstone • Model 1100C-ABZ

} Waterstone • Model 1100C-ABZ

Universal Fit

Standard dual-open construction fits all residential and industrial 20-inch Big Blue housings

Model Input Connection Output Connection Finish QMP520MM 1/4" Compression 1/4" Compression Chrome QMP520MM-3/8" 3/8" Compression 1/4" Compression Chrome

membrane evaluation Manufacturer Myron L Company

Shelco-(12021-B) Gasket for 12FOS, 12SD, & 12UD Series, Buna (Clamp Only) Test Kits } Waterstone • Model 1100C-ABZThe Shelco 12021 B is a Buna N rubber gasket engineered specifically for clamp style closures on Shelco 12FOS, 12SD, and 12UD filter housings. This precision molded seal ensures leak free performance in commercial and industrial filtration systems where chemical compatibility and reliable sealing are essential. TECHNICAL DETAILS Gasket Specifications Part Number 12021 B Material Buna N (Nitrile Rubber) Closure Type Clamp Only Compatible Series 12FOS,