---
product_id: 807190783
title: "DPM Heavy Duty Replacement Spa Cartridge for Hot Springs Spas/Watkins MFG Tiger River Caldera Spas 65 Sq Ft | Made in USA | Compatible/Replacement for C-8465 31114 71827 71828 FC-3960 PWK65 (2 Pack)"
brand: "discount pool mart"
price: "₨13846"
currency: SCR
in_stock: true
category: "Discount Pool Mart"
url: https://www.desertcart.sc/products/807190783-dpm-heavy-duty-replacement-spa-cartridge-for-hot-springs-spas
store_origin: SC
region: Seychelles
---

# 65 sq ft advanced filtration Heavy-duty reinforced core Made in USA quality DPM Heavy Duty Replacement Spa Cartridge for Hot Springs Spas/Watkins MFG Tiger River Caldera Spas 65 Sq Ft | Made in USA | Compatible/Replacement for C-8465 31114 71827 71828 FC-3960 PWK65 (2 Pack)

**Brand:** discount pool mart
**Price:** ₨13846
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your spa experience with filtration that means business

## Quick Answers

- **What is this?** DPM Heavy Duty Replacement Spa Cartridge for Hot Springs Spas/Watkins MFG Tiger River Caldera Spas 65 Sq Ft | Made in USA | Compatible/Replacement for C-8465 31114 71827 71828 FC-3960 PWK65 (2 Pack) by discount pool mart
- **How much does it cost?** ₨13846 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/807190783-dpm-heavy-duty-replacement-spa-cartridge-for-hot-springs-spas)

## Best For

- discount pool mart enthusiasts

## Why This Product

- Trusted discount pool mart brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Heavy-duty reinforced core ensures durability under all spa conditions
- • **Precision Fit:** Compatible with Hot Springs, Watkins MFG, Tiger River & Caldera models for seamless replacement
- • **Made in the USA:** Proudly crafted domestically for trusted quality and performance
- • **Chemical-Resistant Design:** Pleated elements exceed OEM specs to withstand harsh spa chemicals
- • **Spa-Grade Filtration Power:** 65 sq ft synthetic media traps impurities for crystal-clear water

## Overview

This Made in USA DPM Heavy Duty Replacement Spa Cartridge offers 65 sq ft of premium synthetic filtration media with a reinforced core for enhanced durability. Designed for Hot Springs Spas, Watkins MFG, Tiger River, and Caldera models, it ensures cleaner, safer water by exceeding OEM chemical resistance standards. A reliable, precision-fit upgrade that keeps your spa water pristine and your relaxation uninterrupted.

## Description

This Made in USA replacement cartridge set is designed for efficient water filtration in Hot Springs Spas and Watkins MFG hot tubs, ensuring cleaner and safer water for swimming. The 65 sq ft cartridge is compatible with Hot Springs Spas, Watkins MFG, Tiger River, and Caldera Spas, measuring 10 1/2" in height and 8 1/2" in outer diameter, with a 3" top and bottom end cap. Equipped with a heavy-duty reinforced core, the filter offers enhanced stability and durability, making it long-lasting in any condition. The chemical-resistant pleated elements exceed OEM specifications, utilizing synthetic filter media for thorough water filtration, keeping your pool water clean and safe. This cartridge is compatible with models C-8465, 31114, 71827, 71828, FC-3960, and PWK65.

## Features

- Made in USA replacement cartridge set for Hot Springs Spas/Watkins Mfg. 65 Sq Ft cartridge hot tub/spa. Efficient water filtration allows for cleaner and even more safe water to swim in.
- Replacement cartridge set compatible with Hot Springs Spas/Watkins Mfg. 65 Sq Ft Cartridge, 10 1/2" Height | 8 1/2" Outer Diameter | Top End Cap: 3" | Bottom End Cap 3"
- Equipped with a heavy-duty reinforced core, for added stability and long-lasting use, replacement cartridge filter for Hot Springs Spas/Watkins MFG Tiger River Caldera Spas 65 Sq Ft will be durable in any condition.
- Chemical Resistant Pleated Elements exceed OEM Specifications. Equipped with synthetic filter media for complete and thorough water filtration keeping your pool water clean and safe.
- Compatible/Replacement for the following cartridges C-8465 31114 71827 71828 FC-3960 PWK65

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DGWS6P51 |
| Country of Origin | USA |
| Item Dimensions LxWxH | 27.9 x 22.9 x 10.2 Centimeters |
| Item Weight | 907 g |
| Item model number | Hot Springs Spa Series |
| Manufacturer | Discount Pool Mart |
| Product Dimensions | 27.94 x 22.86 x 10.16 cm; 907.18 g |

## Images

![DPM Heavy Duty Replacement Spa Cartridge for Hot Springs Spas/Watkins MFG Tiger River Caldera Spas 65 Sq Ft | Made in USA | Compatible/Replacement for C-8465 31114 71827 71828 FC-3960 PWK65 (2 Pack) - Image 1](https://m.media-amazon.com/images/I/61X2BDs5UNL.jpg)

## Available Options

This product comes in different **Style** options.

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**Shop now:** [https://www.desertcart.sc/products/807190783-dpm-heavy-duty-replacement-spa-cartridge-for-hot-springs-spas](https://www.desertcart.sc/products/807190783-dpm-heavy-duty-replacement-spa-cartridge-for-hot-springs-spas)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-03-07*