---
product_id: 121316065
title: "POOLPURE Spa Filters for Hot Tub replacement for Unicel C-4326, Filbur FC-2375, Pleatco PRB251N (invoice available)"
brand: "poolpure"
price: "€ 74.03"
currency: EUR
in_stock: true
reviews_count: 13
category: "Poolpure"
url: https://www.desertcart.nl/products/121316065-poolpure-spa-filters-for-hot-tub-replacement-for-unicel-c
store_origin: NL
region: Netherlands
---

# 25 sq.ft Filtration Area Durable ABS Core & Break-Resistant End Caps NSF/ANSI 50 Certified Safety POOLPURE Spa Filters for Hot Tub replacement for Unicel C-4326, Filbur FC-2375, Pleatco PRB251N (invoice available)

**Brand:** poolpure
**Price:** € 74.03
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate Your Spa Game with the Ultimate Dirt-Locking Filter!

## Quick Answers

- **What is this?** POOLPURE Spa Filters for Hot Tub replacement for Unicel C-4326, Filbur FC-2375, Pleatco PRB251N (invoice available) by poolpure
- **How much does it cost?** € 74.03 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/121316065-poolpure-spa-filters-for-hot-tub-replacement-for-unicel-c)

## Best For

- poolpure enthusiasts

## Why This Product

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

## Key Features

- • **Broad Compatibility:** Seamlessly replaces top models like Unicel C-4326, Filbur FC-2375, and Pleatco PRB251N to fit your spa perfectly.
- • **Built to Last Under Pressure:** Robust ABS inner core and break-resistant end caps resist high pressure and chlorine corrosion for long-term reliability.
- • **Maximized Filtration Surface:** Generous 25 sq.ft filtration area traps more contaminants, ensuring crystal-clear spa water every time.
- • **Certified Safety & Eco-Friendly:** Tested and certified by IAPMO to NSF/ANSI 50 standards for peace of mind and environmental care.
- • **Advanced Dirt-Locking Technology:** Innovative fabric captures hair, leaves, dust, and sediment more efficiently than standard filters—spa perfection guaranteed.

## Overview

The POOLPURE Spa Filter is a premium replacement cartridge engineered for superior filtration and durability. Certified to NSF/ANSI 50 by IAPMO, it ensures safe, eco-friendly materials. With a 25 sq.ft filtration area and reinforced ABS core, it fits multiple popular spa models and withstands high chlorine levels and pressure. Its advanced dirt-locking fabric captures more contaminants, delivering pristine spa water and a luxurious soak every time.

## Description

Certified To Nsf Ansi 50 This Pool Spa Filter Is Certified By Iapmo Against Nsf Ansi 50 For Safe Material. Compatible Pool Spa Models: Sundance Spas Coast Spas Rainbow Waterway Plastics Dynasty Spas Sunset Spas Islander Spas Honey Tubs Aqua Mystic Bullfrog Spas Southwest Spas Spa Crest Spas Direct Rubadub Tub Apollo Spas Maax Spas Of Az Us Spas Beachcomber Alps Spas Tiara Spas Discovery Spas Pageant Spas Icon Spas Morgan Spas Jem Spas Coast Mountain Spas Gatsby Spas Columbia Spas Arcadia Spas Blue Pacific Spas Freedom Spas And More Types. Replacement Filter Models: Pleatco Prb25 In Unicel C 4326 Filbur Fc 2375 17 2327 100586 33521 25392 303909 M 4326 8172500 R173429 Package Include: Cartridge Filter X 1 All Of Our Products Are Assembled In Usa, By desertcart.

Review: good value filters - Good value , Good filers
Review: Excellent quality - Excellent, does exactly what it's meant to

## Features

- 🥇【Safety Material】Poolpure filter is tested and certified by IAPMO against NSF/ANSI 50 for safe and eco-friendly material.
- ❄️【Replacement Models】Pleatco PRB25-IN / Unicel C-4326 / Filbur FC-2375, 42513, 8512, RD26 / 17-2327 / 100586 / 33521 / 25392 / 303909 / M-4326 / 8172500 / R173429/ Darlly 42513, SC704
- ❄️【Product Detail】4OZ media. Filtration Area: 25 Sq. feet；Length: 13 5/16”(33.8cm); Outside Diameter: 5”(12.5cm); Top Hole: 2 1/8”(5.4cm) Open; Bottom Hole: 2 1/8”(5.4cm) Open.
- ❄️【Strong and Durable】 The whole filter includes the break-resistant end cap, big-flow ABS inner core, widened band and thick filtration fabric to form a strong and durable body. The filter can resist high pressure and the corrosion of high-capacity chlorine.
- ❄️【Powerful Filtration Performance】Innovated “Dirt-Locking” technology make the fabric contain much more contaminants than common fabric. The filter can high efficiently reduce hair, leaves, dust, sediment, sand. Enjoy leisure time in your spa and hot tub.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07M8PKGWQ |
| Best Sellers Rank | 3,684 in Garden ( See Top 100 in Garden ) 1 in Pool & Hot Tub Filters |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,824) |
| Date First Available | 21 Dec. 2018 |
| Item display height | 35.2 centimetres |
| Item display length | 13.5 centimetres |
| Item display weight | 0.33 Kilograms |
| Item display width | 13.5 centimetres |
| Item model number | 25-IN |
| Manufacturer | YUNDA |
| Material type | Sand |
| Package Dimensions | 35.1 x 13.4 x 13.4 cm; 330 g |
| Part number | 25IN |

## Images

![POOLPURE Spa Filters for Hot Tub replacement for Unicel C-4326, Filbur FC-2375, Pleatco PRB251N (invoice available) - Image 1](https://m.media-amazon.com/images/I/51Wd5gMdkaL.jpg)
![POOLPURE Spa Filters for Hot Tub replacement for Unicel C-4326, Filbur FC-2375, Pleatco PRB251N (invoice available) - Image 2](https://m.media-amazon.com/images/I/71UGpqj8KCL.jpg)
![POOLPURE Spa Filters for Hot Tub replacement for Unicel C-4326, Filbur FC-2375, Pleatco PRB251N (invoice available) - Image 3](https://m.media-amazon.com/images/I/71hovsDHw9L.jpg)
![POOLPURE Spa Filters for Hot Tub replacement for Unicel C-4326, Filbur FC-2375, Pleatco PRB251N (invoice available) - Image 4](https://m.media-amazon.com/images/I/61MSHgfUdeL.jpg)
![POOLPURE Spa Filters for Hot Tub replacement for Unicel C-4326, Filbur FC-2375, Pleatco PRB251N (invoice available) - Image 5](https://m.media-amazon.com/images/I/61opasiKR9L.jpg)

## Questions & Answers

**Q: Does this fit Antigua American hot tub**
A: All you need to do is measure the old filter and the sizes are on the sale on f the item .

**Q: How often do I need to replace this filter?**
A: It depends on how you use it. Under the regular clean, the filter can be used for 1-2 years.

**Q: My old filter is 5 by 13, and the hole is about 2. Will this filter fit?**
A: Answer: This type is a very common spa cartridge, but the dimensions are slightly different with the ones that you listed. You would need to confirm these will fit your needs. A slightly variance is acceptable. Please measure your filter again.
PLFPRB25-IN size: 
Width: 5" (12.5cm)
Height: 13 5/16"(33.8cm) 
Top: Open 2 1/8" (5.4cm)
Bottom: Open 2 1/8"  (5.4cm)
Sq Ft: 25 sq ft 4oz Media

**Q: My hot tub uses a hts101 filter - this looks very similar, could someone advise if this would be compatible? thanks in advance.**
A: That’s the same as I use for my hot tub. Could you measure your original and then compare sizes to clarify.

## Customer Reviews

### ⭐⭐⭐⭐⭐ good value filters
*by A***R on 29 January 2025*

Good value , Good filers

### ⭐⭐⭐⭐⭐ Excellent quality
*by M***N on 19 December 2025*

Excellent, does exactly what it's meant to

### ⭐⭐⭐⭐ As described
*by A***R on 18 July 2025*

As described and quality is good.

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-16*