Our hot tub spa filters meets or exceeds manufacturer specifications.
Filter Specifications:
- Square Footage: 40 sq. ft.
- Media/Thickness: 4
- Diameter: 7"
- Length: 11-1/8"
- Top: 2-15/16" Hole
- Bottom: 2-15/16" Hole
Equivalent to:
- Pleatco: PPF40
- Unicel: C-7440
- Filbur: FC-2130
- OEM: 07-0658,R173310
- Darlly: 70404
This Filter Fits The Following Brands:
Pentair Purex CF-40
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
Diameter: 7"
Length: 11-1/8"
Top: Open
Bottom: Open
Length: 11-1/8"
Top: Open
Bottom: Open