Our hot tub spa filters meets or exceeds manufacturer specifications.
Filter Specifications:
- Square Footage: 20 sq. ft.
- Media/Thickness: 4
- Diameter: 7"
- Length: 6-1/2"
- Top: Injection molded knob handle
- Bottom: 1-1/2" Hole
Equivalent to:
- Pleatco: PD20SL-4
- Unicel: C-7401
- Filbur: FC-4005
- OEM: 2396-020
- Darlly: 70201
This Filter Fits The Following Brands:
Doughboy Skim-Line
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: 6-1/2"
Top: Handle
Bottom: Open
Length: 6-1/2"
Top: Handle
Bottom: Open
