Pentair O-Ring | Sta-Rite System 3 Modular D.E. Filters SMD Series | 35505-7438Z Waterfalls This listing is for a

This listing is for a single adapter — order two to complete the job

Outer treads can be padlocked (padlock included)

These are excellent for hot weather

A cracked lateral allows sand to bypass the filter media and enter the pool return — the most reliable indicator that one or more laterals need replacement

fit all brackets before final plumbing and gas connections are made

Pentair O-Ring | Sta-Rite System 3 Modular D.E. Filters SMD Series | 35505-7438Z Waterfalls This listing is for aThe Pentair 35505 7438Z is the OEM replacement O ring for the Sta Rite System: 3 Modular SMD Series D. E. Filter measuring 2 3 4" x 1 4" and designed to maintain a leak free seal at the elbow connection on this filter system. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based lubricant before installation. We carry the Pentair R172351 Lifeguard Silicone Lubricant the OEM matched product for Pentair