---
product_id: 58165773
title: "105644 MR56 44 Flex-Seal Coupling, 4-Inch Plastic/Cast-Iron to 4-Inch Plastic/Cast-Iron"
brand: "mission rubber"
price: "₱3767"
currency: PHP
in_stock: false
url: https://www.desertcart.ph/products/58165773-105644-mr56-44-flex-seal-coupling-4-inch-plastic-cast
store_origin: PH
region: Philippines
---

# 4-inch dual compatibility 312 marine-grade stainless steel Leakproof stepped seal 105644 MR56 44 Flex-Seal Coupling, 4-Inch Plastic/Cast-Iron to 4-Inch Plastic/Cast-Iron

**Brand:** mission rubber
**Price:** ₱3767
**Availability:** ❌ Out of Stock

## Summary

> 🔗 Connect with confidence — the ultimate flex-seal for flawless flow!

## Quick Answers

- **What is this?** 105644 MR56 44 Flex-Seal Coupling, 4-Inch Plastic/Cast-Iron to 4-Inch Plastic/Cast-Iron by mission rubber
- **How much does it cost?** ₱3767 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/58165773-105644-mr56-44-flex-seal-coupling-4-inch-plastic-cast)

## Best For

- mission rubber enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Since 2012:** Proven reliability from Mission Rubber, a leader in plumbing solutions for over a decade.
- • **Universal 4-Inch Fit:** Seamlessly connects plastic and cast-iron pipes with precision sizing on both ends.
- • **Compact & Lightweight:** At just 408g and 4 inches long, it’s easy to handle and install without hassle.
- • **Marine-Grade Durability:** 312 Series stainless steel clamps resist corrosion in the harshest environments, built to last.
- • **Leakproof Flex-Seal Technology:** Stepped internal surfaces ensure a watertight seal, eliminating costly leaks and downtime.

## Overview

The Mission Rubber 105644 MR56 44 Flex-Seal Coupling is a 4-inch pipe connector designed for plastic and cast-iron pipes. Featuring a leakproof stepped seal and corrosion-resistant 312 marine-grade stainless steel clamps, it ensures durable, reliable performance in diverse environments. Lightweight and compact, this coupling has been a trusted plumbing solution since 2012.

## Description

Shop Mission Rubber 105644 MR56 44 Flex-Seal Coupling, 4-Inch Plastic/Cast-Iron to 4-Inch Plastic/Cast-Iron. Free delivery on eligible orders of £20 or more.

## Features

- Flexibility - Sleeve is manufactured of molded natural and synthetic rubber
- Leakproof Seal - Inside surfaces of transitional size couplings are stepped to conform better to different pipe sizes
- Side A: 4.36-Inch, Side B: 4.36-Inch, Length: 4-Inch
- Corrosion Resistant - Use of stainless steel clamping bands are highly effective in a variety of environments
- 312 Series Marine Grade Stainless Steel conforms to ASTM A 240

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001PPAT4Q |
| Batteries Required? | No |
| Batteries included? | No |
| Date First Available | 29 Aug. 2012 |
| Item Package Quantity | 1 |
| Item Weight | 408 g |
| Item model number | 105644 |
| Manufacturer | Mission Rubber |
| Package Dimensions | 13.21 x 12.45 x 10.16 cm; 408.23 g |
| Part Number | 105644 |

## Product Details

- **Brand:** Mission Rubber
- **Global Trade Identification Number:** 00016846140374
- **Manufacturer:** Mission Rubber
- **UPC:** 016846140374

## Images

![105644 MR56 44 Flex-Seal Coupling, 4-Inch Plastic/Cast-Iron to 4-Inch Plastic/Cast-Iron - Image 1](https://m.media-amazon.com/images/I/51EPNrnHL0L.jpg)

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**Shop now:** [https://www.desertcart.ph/products/58165773-105644-mr56-44-flex-seal-coupling-4-inch-plastic-cast](https://www.desertcart.ph/products/58165773-105644-mr56-44-flex-seal-coupling-4-inch-plastic-cast)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-04-22*