Cap O-Ring for all US Water Residential Membrane Housings

• Fits all US Water Galaxy, Aquapurion, and Cobalt membrane housings
• This o-ring is for the cap side of the membrane housing
• It’s always a good idea to have spares
• Be sure to lubricate o-rings with silicone, not vaseline or petroleum-based products (Silicone lubricant sold separately)
• Housing o-ring sold separately