---
product_id: 487682446
title: "LE LEMATEC Air Compressor Regulator & Water Separator with Gauge, AI303-R1 Dryer for Clean Compressed Air, 150 PSI, 1/4\" NPT, Push Button Drain - Removes Oil & Debris"
brand: "le lematec"
price: "$140.70"
currency: USD
in_stock: false
reviews_count: 5
category: "Le Lematec"
url: https://www.desertcart.ec/products/487682446-le-lematec-air-compressor-regulator-and-water-separator-with-gauge
store_origin: EC
region: Ecuador
---

# 1 micron water & oil separator 1/4" NPT connection 150 PSI max pressure LE LEMATEC Air Compressor Regulator & Water Separator with Gauge, AI303-R1 Dryer for Clean Compressed Air, 150 PSI, 1/4" NPT, Push Button Drain - Removes Oil & Debris

**Brand:** le lematec
**Price:** $140.70
**Availability:** ❌ Out of Stock

## Summary

> 💨 Keep your air clean, your tools sharp, and your workflow unstoppable!

## Quick Answers

- **What is this?** LE LEMATEC Air Compressor Regulator & Water Separator with Gauge, AI303-R1 Dryer for Clean Compressed Air, 150 PSI, 1/4" NPT, Push Button Drain - Removes Oil & Debris by le lematec
- **How much does it cost?** $140.70 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/487682446-le-lematec-air-compressor-regulator-and-water-separator-with-gauge)

## Best For

- le lematec enthusiasts

## Why This Product

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

## Key Features

- • **Instant Moisture Drain:** Push-button valve for quick, hassle-free moisture release
- • **Durable Yet Lightweight:** Aluminum build designed to withstand tough workshop conditions
- • **Versatile Compatibility:** Perfect for plasma cutters, spray guns, and pneumatic tools
- • **Ultra-Clean Air Delivery:** Removes water, oil, and debris with a reusable 1 micron filter element
- • **Precision Pressure Control:** Regulate airflow up to 140 PSI for flawless tool performance

## Overview

The LE LEMATEC AI303-R1 is a heavy-duty air compressor regulator and water separator combo that delivers clean, dry compressed air up to 150 PSI. Featuring a precise pressure gauge, a reusable 1 micron filter element, and a push-button drain, it protects your pneumatic tools from moisture, oil, and debris while maintaining stable airflow. Lightweight aluminum construction makes it ideal for demanding workshop and garage environments.

## Description

The LE LEMATEC AI303-R1 Air Compressor Pressure Regulator and Water Separator with Gauge delivers precision air control for your workshop. This compressed air dryer and air compressor filtration system combination removes water, oil, and debris while maintaining stable airflow to your tools. The air regulator with gauge provides exact pressure settings up to 150 PSI, protecting your equipment and ensuring consistent results. Ideal for plasma cutters and HVLP systems, this air compressor filtration unit gives you the clean, dry compressed air you need for high grade performance every time.

Review: Although slightly bulky it's a great tool for spraying and regulating on the fly. Love it!
Review: Excellent produit !

## Features

- Comprehensive Combo Unit: AI303-R1 combines an air compressor regulator with a gauge and works as an air dryer and water separator for compressor; 150 PSI max rating with 1/4" NPT connection
- Clean Air Protection: Air compressor system removes water, oil, dirt, and debris with a 1 micron reusable element; protects tools and ensures consistent performance for plasma cutters and spray guns
- Precise Flow Control: The air pressure regulator adjusts airflow up to 140 PSI, maintaining stable pressure with high flow volume and minimal restriction for demanding pneumatic tools
- Quick Drain Maintenance: Push button valve instantly releases moisture and contaminants; reusable element saves money while maintaining uninterrupted airflow during operation
- Heavy-Duty Shop Performance: Lightweight yet durable construction designed for shop conditions; works as essential air compressor replacement parts for workshops and garages

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08H3DHFKR |
| Best Sellers Rank | #159,763 in Home Improvement ( See Top 100 in Home Improvement ) #499 in Air Compressor Accessories |
| Brand | LE LEMATEC |
| Capacity | 125 Pounds |
| Global Trade Identification Number | 00850030726834 |
| Included Components | Filter |
| Item Weight | 271 g |
| Item model number | AI303-R1 |
| Manufacturer | Ubiquitous |
| Material | Aluminium |
| Maximum Operating Pressure | 150 Pound per Square Inch |
| Model Name | AI303 R1 |
| Power Source | Air Powered |
| Product Dimensions | 43L x 43W x 99H Millimeters |
| Recommended Uses For Product | Tire Inflation |
| Special Feature | Heavy Duty, Lightweight |
| Style | Fashion |

## Product Details

- **Brand:** LE LEMATEC
- **Capacity:** 125 Pounds
- **Included Components:** Filter
- **Item Weight:** 271 Grams
- **Material:** Aluminium
- **Power Source:** Air Powered
- **Product Dimensions:** 43L x 43W x 99H Millimeters
- **Recommended Uses For Product:** Tire Inflation
- **Special Feature:** Heavy Duty, Lightweight
- **Style:** Fashion

## Images

![LE LEMATEC Air Compressor Regulator & Water Separator with Gauge, AI303-R1 Dryer for Clean Compressed Air, 150 PSI, 1/4" NPT, Push Button Drain - Removes Oil & Debris - Image 1](https://m.media-amazon.com/images/I/41cTgxv-TZL.jpg)
![LE LEMATEC Air Compressor Regulator & Water Separator with Gauge, AI303-R1 Dryer for Clean Compressed Air, 150 PSI, 1/4" NPT, Push Button Drain - Removes Oil & Debris - Image 2](https://m.media-amazon.com/images/I/515WkuDrOGL.jpg)
![LE LEMATEC Air Compressor Regulator & Water Separator with Gauge, AI303-R1 Dryer for Clean Compressed Air, 150 PSI, 1/4" NPT, Push Button Drain - Removes Oil & Debris - Image 3](https://m.media-amazon.com/images/I/51Mm5uIVavL.jpg)
![LE LEMATEC Air Compressor Regulator & Water Separator with Gauge, AI303-R1 Dryer for Clean Compressed Air, 150 PSI, 1/4" NPT, Push Button Drain - Removes Oil & Debris - Image 4](https://m.media-amazon.com/images/I/51Mx-n1yBgL.jpg)
![LE LEMATEC Air Compressor Regulator & Water Separator with Gauge, AI303-R1 Dryer for Clean Compressed Air, 150 PSI, 1/4" NPT, Push Button Drain - Removes Oil & Debris - Image 5](https://m.media-amazon.com/images/I/51WIbFjJdqL.jpg)

## Questions & Answers

**Q: Can the LE LEMATEC AI303-R1 Filter Regulator be utilized in challenging environments?**
A: Yes, designed for durability and lightweight use, our air compressor regulator is perfect for rough shop conditions. Whether you're using paint spray guns, or other air tools, this air compressor water separator ensures robust performance.

**Q: How does the high flow air volume of this regulator benefit its users?**
A: The high flow air volume feature, essential for HVLP and other compressed air systems, ensures little to no air restriction. This is beneficial for tools like spray guns and paint guns, where a stable air flow is critical for optimal results.

**Q: What advantages does the push button drain valve offer?**
A: The push button drain valve on this air compressor moisture filter quickly releases impurities such as water, oil, and dirt. It is designed to ensure that your paint gun regulator or spray gun regulator maintains clean and steady air flow.

**Q: How does the LE LEMATEC product ensure precise air flow?**
A: The precision offered by the LE LEMATEC air pressure regulator, especially when used as an air regulator for spray guns or a paint spray gun air regulator, allows you to adjust air pressure to exact requirements with its easy to set digital gauge.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***G on 18 December 2022*

Although slightly bulky it's a great tool for spraying and regulating on the fly. Love it!

### ⭐⭐⭐⭐⭐ Review
*by Y***S on 22 November 2024*

Excellent produit !

### ⭐⭐⭐⭐⭐ Review
*by T***O on 3 August 2025*

Ayuda mucho con el filtrado del agua

## Frequently Bought Together

- LE LEMATEC Air Compressor Regulator & Air Compressor Water Separator with Gauge. Air Compressor Filter AI303-R1
- LE LEMATEC Air Compressor Swivel Connector, 360 Degree Swivel Air Hose Fitting, Quick Connect 1/4" NPT Male Adapter & Teflon Tape, Air Fitting For Air Tools, Sandblaster and HVLP Paint Spray Gun
- LE LEMATEC Air Compressor Water Separator, 1/4 NPT Inline Filter & Moisture Trap for Pneumatic Tools, HVLP Spray Paint Gun & Airbrush, Durable Compressed Air Dryer with Easy Drain Valve, AI303

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-01-31*