Viqua O-ring for 3-Piece 4.5"x20" and 4.5"x10" Filter Housing (OR40-50)

Viqua O-ring for 3-Piece AWP40, 42, 50, 52 Series (OR40-50) The O-Ring is made of Nitrile Rubber or Buna-N rubber for added strength and elasticity to create create a tighter seal. The O-Ring creates a watertight seal in the housing and must be replaced if damaged.