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- Hot Tub Spa Filters
- Spa Filter Baleen: AK-40083, OEM: 173601, 817-0016, 303434, Pleatco: PLBS100 , Unicel: C-5397 , Filbur: FC-2972, Diameter: 5-5/16", Length: 17-13/16"
Spa Filter Baleen: AK-40083, OEM: 173601, 817-0016, 303434, Pleatco: PLBS100 , Unicel: C-5397 , Filbur: FC-2972, Diameter: 5-5/16", Length: 17-13/16"
Product Description
Our hot tub spa filters meets or exceeds manufacturer specifications.
Filter Specifications:
- Square Footage: 80 sq. ft.
- Media/Thickness: 3
- Diameter: 5-5/16"
- Length: 17- 13/16"
- Top: 2-1/8" Hole
- Bottom: 2-1/8" Hole
Equivalent to:
- Pleatco: PLBS100
- Unicel: C-5397
- Filbur: FC-2972
- OEM: 173601, 817- 0016, 303434
This Filter Fits The Following Brands:
Rainbow, Waterway, Leisure Bay, Rec
Filter Glossary

As you can see in this graphic, when looking at a filter's threads from the side the difference is very obvious. Standard, sometimes called "MPT" or "Male Pipe" threads are smaller and have a higher number of threads than the S.A.E. style. The S.A.E. threads are large and are square in nature almost resembling a child's toy.
- MPT: Male Pipe Thread
- FPT: Female Pipe Thread
How to measure a hot tub filter references:
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