U.S. Seal PS-3867 Mechanical Pump Seal IntelliFlo i1 Sized at 21 inches by

Sized at 21 inches by 13

Designed with pool safety in mind

Free Flow Core design promotes steady

It's unique formula can be added directly to spa water without fear of foam buildup and is compatible with all types of hot tub and spa surfaces

Versatile compatibility—safe for pools

U.S. Seal PS-3867 Mechanical Pump Seal IntelliFlo i1 Sized at 21 inches byU. S. Seal PS 3867 Mechanical Pump Seal for Pool Pumps Intro Introducing the U. S. Seal PS 3867 Mechanical Pump Seala purpose built Viton service replacement crafted for pool pumps. Engineered for a 5 8 inch shaft, it delivers dependable leakage control across a wide range of popular pump families. The Premier Viton elastomer resists chlorine, bromine, and harsh pool chemicals, helping the seal endure seasons of heavy use without cracking or swelling.