---
product_id: 21786096
title: "MR-500 151839 Pressure Drop Activated Trap Seal Primer For Up To 6 Floor Drain Traps with 1/2\" Connections"
brand: "mifab"
price: "R4037"
currency: ZAR
in_stock: true
category: "Mifab"
url: https://www.desertcart.co.za/products/21786096-mr-500-151839-pressure-drop-activated-trap-seal-primer-up
store_origin: ZA
region: South Africa
---

# Standard 1/2" connection size Supports up to 6 floor drain traps Pressure drop activation tech MR-500 151839 Pressure Drop Activated Trap Seal Primer For Up To 6 Floor Drain Traps with 1/2" Connections

**Brand:** mifab
**Price:** R4037
**Availability:** ✅ In Stock

## Summary

> 🚿 Keep your drains fresh and your space flawless—trap seal tech that works as hard as you do!

## Quick Answers

- **What is this?** MR-500 151839 Pressure Drop Activated Trap Seal Primer For Up To 6 Floor Drain Traps with 1/2" Connections by mifab
- **How much does it cost?** R4037 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/21786096-mr-500-151839-pressure-drop-activated-trap-seal-primer-up)

## Best For

- mifab enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Lightweight:** At just 1x1x1 inches and 8 ounces, it fits discreetly without bulk or fuss.
- • **Sleek, Elegant Finish:** Designed to blend seamlessly with your plumbing fixtures, adding a touch of sophistication.
- • **Multi-Trap Compatibility:** Supports up to 6 floor drain traps simultaneously—perfect for modern commercial or multi-bath setups.
- • **Effortless Pressure Drop Activation:** Automatically primes traps with every water flow, ensuring no dry traps and no odors.
- • **Reliable, Maintenance-Free Operation:** No batteries required—engineered for long-lasting, hassle-free performance.

## Overview

The MR-500 is a pressure drop activated trap seal primer designed to maintain water seals in up to six floor drain traps via standard 1/2" connections. Its compact, elegant design ensures discreet installation while preventing sewer gases from entering your space. Engineered for reliable, maintenance-free operation without batteries, it’s ideal for commercial and residential plumbing systems seeking efficient odor control.

## Description

Mifab m-500 pressure drop activated trap seal primer for up to 6 floor drain traps, 1/2 in. Connections. Elegant design and finish. The product is manufactured in china.

## Features

- Mifab m-500 pressure drop activated trap seal primer for up to 6 floor drain traps, 1/2 in. Connections
- Elegant design and finish
- The product is manufactured in china

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00IOSTPHO |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #682,007 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,868 in Bathroom Sink & Bathtub Drain Strainers |
| Customer Reviews | 4.2 4.2 out of 5 stars (31) |
| Date First Available | September 1, 2004 |
| Included Components | Drain Openers and Stops^drain-catches |
| Item Package Quantity | 1 |
| Item Weight | 8 ounces |
| Item model number | MR-500 |
| Manufacturer | GB Industrial Direct |
| Number of Handles | 1 |
| Part Number | MR-500 |
| Product Dimensions | 1 x 1 x 1 inches |

## Images

![MR-500 151839 Pressure Drop Activated Trap Seal Primer For Up To 6 Floor Drain Traps with 1/2" Connections - Image 1](https://m.media-amazon.com/images/I/31Jj3rnjXVL.jpg)

## Frequently Bought Together

- MIFAB MR-500 151839 Pressure Drop Activated Trap Seal Primer For Up To 6 Floor Drain Traps with 1/2" Connections
- EZ-PV2-R6 - EZ PVC Slab on Grade Drain with 6" Nickel Bronze Strainer and 2" x 3" Outlet

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.za/products/21786096-mr-500-151839-pressure-drop-activated-trap-seal-primer-up](https://www.desertcart.co.za/products/21786096-mr-500-151839-pressure-drop-activated-trap-seal-primer-up)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-07-11*