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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 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: $7.20

As Low As: $3.99

Save 45%!

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 151122 Replacement For Culligan 151122-27 O-Ring
In Stock!
Ships in 1 business day

Retail: $5.99

As Low As: $3.95

Save 34%!

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

Retail: $12.49

Our Price: $4.99

Save 60%!

Pentek 151122 O-Ring Replacement For American Plumber 152032
In Stock!
Ships in 1 business day

Retail: $5.99

As Low As: $3.95

Save 34%!

Pentek 241 O-Ring for 10, 12 & 20 Filter Housings
Special Order.
Ships in 5 to 6 days.

Retail: $24.07

Our Price: $15.37

Save 36%!

Pentek 151122 O-Ring Replacement For Everpure EV309709
In Stock!
Ships in 1 business day

Retail: $5.99

As Low As: $3.95

Save 34%!

Pentek 151121 O-Ring Replacement for American Plumber W38-OR
In Stock!
Ships in 1 business day

Retail: $12.49

Our Price: $4.99

Save 60%!

Pentek 151120 Replacement for Everpure EV3112-40 Filter Housing
In Stock!
Ships in 1 business day

Retail: $7.20

As Low As: $3.99

Save 45%!

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

Retail: $24.12

As Low As: $16.56

Save 31%!

Pentek SH143330 O-Ring Replacement For American Plumber OR-233
Special Order.
Ships in 5 to 6 days.

Retail: $7.99

Our Price: $4.95

Save 38%!

Pentek O-Ring Gasket for ST-BC Stainless Series
Special Order.
Ships in 5 to 6 days.

Retail: $139.99

As Low As: $93.94

Save 33%!

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 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 SH143330 O-Ring for 3/8" Slimline Housings
Special Order.
Ships in 5 to 6 days.

Retail: $7.99

Our Price: $4.95

Save 38%!

Pentek 151118 Silicone O-ring
Special Order.
Ships in 5 to 6 days.

Retail: $24.04

Our Price: $16.51

Save 31%!

Pentek 158096 Silicone O-ring
Special Order.
Ships in 5 to 6 days.

Retail: $36.07

Our Price: $14.95

Save 59%!