The assembly of the O-Rings - Equipment for the assembly of the O Rings - Elastotech S.r.l.
SpiroPure O-ring for Slim Water Filter Housings - $0.99
Amazon.com: REPLACEMENTKITS.COM Brand Heavy Duty Filter Housing O-Ring Fits Big Blue Housings Replaces Pentair Pentek 151122, Culligan OR-100, ACE 4001756 & AP WP-10 OR : Tools & Home Improvement
Replacement O-Rings for #2 Bag Filter Housing (BFHBFL2)