This is a replacement Viton Seal-503811 for Hypro 4001/4101 series 4 roller pumps. The Viton construction offers superior chemical resistance.
FIMCO Complete Manifold Replaces all models
7771967
Valve Sub-Assembly for LG-55-3PT and LG-60-3PT-309
5277754
BB-32 3-Point Frame Weldment
5273798-RED
Strainer Sub-Assembly for LG-60-3PT
5274745
Hypro Super Roller for 4001/4101 Roller Pump
5112029
Hypro 4001 O-Ring
5072220
5110052
Viton Seal-503811