

🛁 Elevate your spa’s core with the ultimate filter standpipe cap!
The Hot Spring Spa Replacement Cap Standpipe (3-1/2", Part #31389) is a precision-engineered, white threaded cap designed to secure your spa filter vertically within the filter compartment. Lightweight and compact, it ensures a leak-proof fit and seamless integration with Hot Spring spa models, maintaining optimal filtration performance and spa hygiene.
| Brand | Hot Spring |
| Color | White |
| Product Dimensions | 12.45 x 12.45 x 7.37 cm; 0.28 g |
| Item Weight | 0.28 g |
G**E
An awesome replacement
Great product and great price
A**R
Well made
Well made and fits
M**N
Needed replacement
My caps were dying, crumbling in my hand. I was so pleased to find these on Amazon and for a price that was a no-brainer. Glad to get them, should last another 19 years! ;)
T**G
Just what I needed.
Decent price and they worked perfectly.
G**N
Replace filter caps easily and inexpensively
The old original caps will break. Be prepared with these replacements
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