







🛁 Lock in Clean, Lock Out Trouble – The Ultimate Spa Filter Cap!
This 3.5-inch hot tub stand pipe cap is engineered for Watkin Hot Spring Spas, crafted from reinforced, chemical-resistant plastic to securely hold spa filters in place. It prevents debris from entering your system, protecting pumps and heaters while extending filter life and saving you maintenance costs.















| Item Dimensions L x W x H | 1.7"L x 3.2"W x 3.5"H |
| Color | White, Grey |
| Material | Reinforced Plastic |
R**Y
Fit correctly.
Perfect fit.
J**S
Arrived on time and as described
Arrived on time and as described
T**S
INCREDIBLE
Never did I imagine that a standpipe cap could cap a standpipe with as much percission and beauty as this standpipe cap has capped my standpipe! Bravo HOTBJOY!
C**N
Great Replacement
I have a Sceptre salt cell in my Hot Springs spa and didn't need the little hole in there anymore on the filter standpipe for the original Watkins salt cell. This thing was great. Fit perfectly. Not much else to say. Works exactly as it should.
C**
Spot-on replacement for my early 2000’s Hotsprings Grandee
Fit perfectly. We shall see how the plastic holds up
M**8
Just what I needed
Needed these for my hot tub. They work just line they were supposed to
J**.
Strap Clips
Two of the plastic strap clips broke the first day. I wish they would use better/stronger clips for the tie downs.
R**.
Worked Great
Great replacements for our old one that were getting brittle. Fit perfect.
Trustpilot
3 days ago
2 days ago