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Captain O-Ringโs 151122 replacement O-rings are precision-engineered Buna-N seals designed specifically for Pentair Pentek Big Blue water filter housings. Each pack includes three durable, NSF 61 certified synthetic rubber O-rings that ensure a perfect, leak-proof fit. Proudly assembled in the USA, these O-rings offer reliable compatibility with multiple OEM part numbers, making maintenance effortless and keeping your water filtration system performing at its best.
| ASIN | B019Y85PR6 |
| Best Sellers Rank | #102,693 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #112 in Faucet O-Rings |
| Brand Name | Captain O-Ring |
| Color | Black |
| Customer Reviews | 4.5 out of 5 stars 3,167 Reviews |
| Item Diameter | 5.83 Inches |
| Item Weight | 0.04 Pounds |
| Manufacturer | Captain O-Ring |
| Material | Synthetic Rubber |
| Material Type | Synthetic Rubber |
| Model | 151122x3 |
| Nominal Inside Diameter | 5.5 Inches |
| Nominal Outside Diameter | 5.83 Inches |
| Number of Items | 3 |
| Number of Pieces | 3 |
| Part Number | 151122 |
| Temperature Range | 4E+1 Degrees Fahrenheit |
| UPC | 722589526046 |
| Unit Count | 3 Count |
D**E
Perfect Fit. Sat in Blue Blue Filter Housing and Secured First Attempt. 5 Stars
Donโt believe the AI overview or negative comments. These are the real deal. I just tried one of the three o Rings last night and it fits literally perfect. These guys should have made the OEM O rings because my original one was stretched out and this replacement one was perfect. I have the Big Blue Pentek OPAQUE 10 x 4.5 inch system. It sat perfectly in the borders of the cylinder and I was able to secure it with minimal lubricant grease my first attempt refastenig the cynlinder. Could not be happier with these O rings please donโt hesitate itโs totally worth the 15 dollars to not struggle with a heavy filter system.
E**N
Perfect fit- fixed leaking Big Blue #20
Fast shipping. Perfect fit at a great price. The airing fit perfectly and fixed the leak in my Big Blue. I also ordered a new filter. Highly recommend this product. I got three for what Home Depot would charge for one. Highly recommend seller.
J**H
Good replacement.
Good fitment. Seems to be good quality rubber. No leaks!
T**E
The right one.
Finally I can replace my old one and it fits very well.
T**L
Perfect fit
Perfect fit into my water filter tank. My older ones tended to get distorted if used too many times. That leads to leaks. The price of these is just right to buy a new one for every six month replacement. No leaks the first time I used it., and I did not have to reinstall it. I will be buying these repeatedly.
Trustpilot
4 days ago
1 month ago