---
product_id: 17372081
title: "Guardian Filtration Products Spa Filter Cartridge 4H8-158-01M Replacement for Pleatco: PTL18P4 Dream Maker Gatsby SPA Unicel 4CH-21 Filbur FC-0136"
brand: "guardian filtration products"
price: "¥9786"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/17372081-guardian-filtration-products-spa-filter-cartridge-4h8-158-01m-replacement
store_origin: JP
region: Japan
---

# Diameter: 4-5/8'' Length: 8'' Filter Area: 18 sq. ft. Guardian Filtration Products Spa Filter Cartridge 4H8-158-01M Replacement for Pleatco: PTL18P4 Dream Maker Gatsby SPA Unicel 4CH-21 Filbur FC-0136

**Brand:** guardian filtration products
**Price:** ¥9786
**Availability:** ✅ In Stock

## Summary

> 💦 Dive into Clarity with Guardian Filters!

## Quick Answers

- **What is this?** Guardian Filtration Products Spa Filter Cartridge 4H8-158-01M Replacement for Pleatco: PTL18P4 Dream Maker Gatsby SPA Unicel 4CH-21 Filbur FC-0136 by guardian filtration products
- **How much does it cost?** ¥9786 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/17372081-guardian-filtration-products-spa-filter-cartridge-4h8-158-01m-replacement)

## Best For

- guardian filtration products enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Brand:** Join countless satisfied customers who have relied on Guardian Filtration since 2003.
- • **Durable Quality:** Crafted from premium materials for long-lasting performance and reliability.
- • **Crystal Clear Water:** Experience the purity of your pool or spa with our high-quality filtration.
- • **Flexible Pack Options:** Choose from single, double, or 4-pack bundles for ultimate convenience.
- • **Effortless Maintenance:** Designed for easy cleaning, ensuring your water stays pristine with minimal effort.

## Overview

The Guardian Filtration Products Spa Filter Cartridge 4H8-158-01M is a high-quality replacement filter compatible with various models, including Pleatco PTL18P4, Unicel 4CH-21, and Filbur FC-0136. With dimensions of 4-5/8'' in diameter and 8'' in length, it features a filter area of 18 sq. ft. Available in multiple pack sizes, this filter is designed for easy cleaning and long-lasting use, ensuring your pool or spa remains crystal clear and safe for family enjoyment.

## Description

Guardian Filtration Products manufactures direct replacements for popular brands and sizes in the pool and spa filtration business. Their filters are designed and manufactured to meet or exceed OEM specifications for superior filtration.Expansive Flow Cores offer full water access to the filtration fabric. They are designed to be strong and reduce stress on your pump. Excellent cleanability allows the filters release maximum dirt when being cleaned to allow for reduced maintenance. The Guardian Filtration Advantage equals top performance!✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for PTL18P4-4, Unicel: 4CH-21, Filbur: FC-0136, FC-0121. Check below for other alternative cartridge filter names.✅ DIMENSIONS - This replacement pool filter cartridge has a Diameter: 4-5/8'', Length: 8'', Top: Handle, Bottom: 1 1/2'' MPT Threaded Filter Area: 18 sq. ft. High Quality Filter Material✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.✅ EASY TO CLEAN - Guardian Filtration Products are designed to be long lasting and easy to clean so you can keep your pool and spa crystal clear and safe for you and your family. Our premium filter material keeps your water clearer and is easier to clean.✅ Guardian Filtration Products has been operating out of Northwest Pennsylvania since 2003. We're committed to creating affordable, high quality pool filtration products and accessories. Click Add-to-Cart or 1-Click Buy to order your pool/spa filter cartridge today!

## Features

- ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for PTL18P4-4, Unicel: 4CH-21, Filbur: FC-0136, FC-0121. Check below for other alternative cartridge filter names.
- ✅ DIMENSIONS - This replacement pool filter cartridge has a Diameter: 4-5/8'', Length: 8'', Top: Handle, Bottom: 1 1/2'' MPT Threaded Filter Area: 18 sq. ft. High Quality Filter Material
- ✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.
- ✅ EASY TO CLEAN - Guardian Filtration Products are designed to be long lasting and easy to clean so you can keep your pool and spa crystal clear and safe for you and your family. Our premium filter material keeps your water clearer and is easier to clean.
- ✅ Guardian Filtration Products has been operating out of Northwest Pennsylvania since 2003. We're committed to creating affordable, high quality pool filtration products and accessories...Click Add-to-Cart or 1-Click Buy to order your pool/spa filter cartridge today!

## Images

![Guardian Filtration Products Spa Filter Cartridge 4H8-158-01M Replacement for Pleatco: PTL18P4 Dream Maker Gatsby SPA Unicel 4CH-21 Filbur FC-0136 - Image 1](https://m.media-amazon.com/images/I/818tVVesQVL.jpg)
![Guardian Filtration Products Spa Filter Cartridge 4H8-158-01M Replacement for Pleatco: PTL18P4 Dream Maker Gatsby SPA Unicel 4CH-21 Filbur FC-0136 - Image 2](https://m.media-amazon.com/images/I/61uFZK-i-7L.jpg)
![Guardian Filtration Products Spa Filter Cartridge 4H8-158-01M Replacement for Pleatco: PTL18P4 Dream Maker Gatsby SPA Unicel 4CH-21 Filbur FC-0136 - Image 3](https://m.media-amazon.com/images/I/71545V4k89L.jpg)
![Guardian Filtration Products Spa Filter Cartridge 4H8-158-01M Replacement for Pleatco: PTL18P4 Dream Maker Gatsby SPA Unicel 4CH-21 Filbur FC-0136 - Image 4](https://m.media-amazon.com/images/I/71plHWhJ14L.jpg)
![Guardian Filtration Products Spa Filter Cartridge 4H8-158-01M Replacement for Pleatco: PTL18P4 Dream Maker Gatsby SPA Unicel 4CH-21 Filbur FC-0136 - Image 5](https://m.media-amazon.com/images/I/71AhriRAoUL.jpg)

## Available Options

This product comes in different **Material Type, Size** options.

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-01*