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Pentek filter housing O-rings should be replaced every two filter changes, or when a water leak is noticed. Hand tighten only to prevent leaks.

 

Pentek O-rings full product list:


Pentek 151122 O-Ring for Big Blue and Heavy Duty Housings
In Stock!
Ships in 1 business day

Retail: $5.99

As Low As: $3.95

Save 34%!

Pentek 151120 Filter O-Ring Replaces W34-OR
In Stock!
Ships in 1 business day

Retail: $5.99

As Low As: $3.99

Save 33%!

Pentek 151122 Replacement For Pentek BB BUNA-N
In Stock!
Ships in 1 business day

Retail: $5.99

As Low As: $3.95

Save 34%!

Pentek 151122 O-Ring Replacement For American Plumber W10-OR
In Stock!
Ships in 1 business day

Retail: $5.99

As Low As: $3.95

Save 34%!

Pentek O-Ring For SlimLine Filter Housing 151121
In Stock!
Ships in 1 business day

Retail: $9.99

Our Price: $4.75

Save 52%!

Pentek 143216 O-Ring for Pentek ST Filter Housings
In Stock!
Ships in 1 business day

Retail: $19.99

As Low As: $10.95

Save 45%!

Pentek 241 O-Ring for 10, 12 & 20 Filter Housings
Special Order.
Ships in 17 to 18 days.

Retail: $14.99

Our Price: $11.99

Save 20%!

Pentek 151122 O-Ring Replacement For Scaleless SL20BB
In Stock!
Ships in 1 business day

Retail: $5.99

As Low As: $3.95

Save 34%!

Pentek 158096 Silicone O-ring
Special Order.
Ships in 10 to 11 days.

Retail: $29.99

Our Price: $22.99

Save 23%!

Pentek 151122 O-Ring Replacement For Ace Hardware 4001756
In Stock!
Ships in 1 business day

Retail: $5.99

As Low As: $3.95

Save 34%!

Pentek 151122 O-Ring Replacement For Culligan 1019189
In Stock!
Ships in 1 business day

Retail: $5.99

As Low As: $3.95

Save 34%!

Pentek 151118 Silicone O-ring
Special Order.
Ships in 21 to 22 days.

Retail: $15.99

Our Price: $13.99

Save 13%!

Pentek SH257388 Replacement For Pentek 257388
Special Order.
Ships in 19 to 20 days.

Retail: $8.99

Our Price: $7.99

Save 11%!

Pentek SH143330 O-Ring for 3/8" Slimline Housings
Special Order.
Ships in 18 to 19 days.

Retail: $7.99

Our Price: $4.95

Save 38%!

Pentek O-ring Kit for Quartz Sleeve for UVS-110
Special Order.
Ships in 16 to 17 days.

Retail: $24.99

Our Price: $21.99

Save 12%!

Pentek O-Ring Gasket for ST-BC Stainless Series
Special Order.
Ships in 12 to 13 days.

Retail: $83.99

As Low As: $66.94

Save 20%!