---
product_id: 411749787
title: "RT175B Big Blu Brush On MicroLeak Detector Blue"
brand: "refrigeration technologies"
price: "€ 58.00"
currency: EUR
in_stock: true
category: "Refrigeration Technologies"
url: https://www.desertcart.nl/products/411749787-rt175b-big-blu-brush-on-microleak-detector-blue
store_origin: NL
region: Netherlands
---

# Detects micro leaks down to 0.74 oz/year Brush-on applicator with 10-inch extension dauber NSF certified & non-corrosive, safe for all gases RT175B Big Blu Brush On MicroLeak Detector Blue

**Brand:** refrigeration technologies
**Price:** € 58.00
**Availability:** ✅ In Stock

## Summary

> 🔍 Spot leaks before they spot you – Big Blu Brush On MicroLeak Detector

## Quick Answers

- **What is this?** RT175B Big Blu Brush On MicroLeak Detector Blue by refrigeration technologies
- **How much does it cost?** € 58.00 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/411749787-rt175b-big-blu-brush-on-microleak-detector-blue)

## Best For

- refrigeration technologies enthusiasts

## Why This Product

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

## Key Features

- • **Long-Lasting Film:** Strong, persistent bubble-forming liquid that stays put for reliable leak identification.
- • **Effortless Application:** Brush-on formula with a 10-inch extension dauber for pinpoint accuracy in hard-to-reach spots.
- • **Industry-Trusted Safety:** NSF certified and non-corrosive, ensuring safe use around food and all gas types.
- • **Precision Leak Detection:** Catch micro leaks as small as 0.74 oz/year before they become costly problems.
- • **Versatile Professional Use:** Ideal for HVAC, plumbing, telecom, aerospace, and gas utilities—trusted by OEMs worldwide.

## Overview

The RT175B Big Blu Brush On MicroLeak Detector is a professional-grade, NSF certified leak detection solution that identifies micro gas leaks as small as 0.74 oz/year. Featuring a brush-on applicator with a 10-inch extension dauber, it offers precise, non-corrosive, and safe detection across all gas types. Widely used in HVAC, plumbing, aerospace, and telecom industries, it delivers a durable, bubble-forming film trusted by OEMs and service pros worldwide.

## Description

This is our original Big Blu microleak detector downsized into a Brush On applicator. This product is great for spot leak applications and is supplied with a 10 inch extension dauber. Big Blu is a well-established bubble leak detector solution capable of detecting micro gas leakage down to 0.65 oz/yr. It is a strong persistent film forming liquid that has excelled in the field identification of gas leaks. Big Blu is used by OEM’s and industry professionals worldwide. Suitable for use with all gases to detect leaks on any pressurized system. Commonly used in HVAC, plumbing, telecom, aerospace, gas utilities, service industries and MVAC.

## Features

- NSF certified for use around food
- Non-Corrosive
- Detects Micro Leaks down to 0.74 oz/year
- Safe of any type of gas
- Brush on Bottle

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B082MQZBV5 |
| Item model number | RT175B |
| Manufacturer | Refrigeration Technologies |
| Product Dimensions | 6.05 x 6.05 x 16 cm; 0.28 g |

## Product Details

- **Brand:** Refrigeration Technologies
- **Style:** simple
- **Power source:** Battery Powered
- **Colour:** Blue
- **Item weight:** 0.01 Ounces

## Images

![RT175B Big Blu Brush On MicroLeak Detector Blue - Image 1](https://m.media-amazon.com/images/I/61MMXE0a5WL.jpg)

## Questions & Answers

**Q: Can you please clarify the product description? is this product "brush on blu micro leak detector - dauber  part #rt175b"**
A: Yes it is.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.nl/products/411749787-rt175b-big-blu-brush-on-microleak-detector-blue](https://www.desertcart.nl/products/411749787-rt175b-big-blu-brush-on-microleak-detector-blue)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-16*