What's the difference between the AI303 and the ZN312?

AI303 is a gravity separator removing bulk liquid and oil via centrifugal force. The ZN312 is a 1-micron filter capturing fine mist/moisture. For best air quality, install AI303 first (Stage 1) and ZN312 second (Stage 2).

Will this cause pressure drop in my air line?

No. The AI303 features an optimized flow path engineered to maintain full downstream pressure. Unlike cheap restrictive filters, it uses centrifugal separation that works WITH the air flow. Your tools will perform at their maximum pressure.

How often do I need to drain the bowl?

Drain frequency depends on humidity. Check the transparent bowl and push the drain valve when water reaches the 1/3 mark (takes 2 seconds). In hot, humid conditions, drain every 30-60 minutes. Standard 1/4" NPT connections install in minutes.

Why aluminum instead of plastic?

Aluminum offers 3 advantages: (1) Thread integrity to prevent stripping, cross-threading, and air leaks. (2) Corrosion resistance against separated moisture. (3) Structural strength to handle pressure surges without cracking. Built to last.

Is the AI303 compatible with my tools?

Yes. With standard 1/4" NPT connections (female inlet, male outlet), the AI303 is compatible with virtually all home and professional compressors and tools, including HVLP guns, airbrushes, and impact wrenches. Operating range: 5-150 PSI.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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LE LEMATEC Air Compressor Water Separator, 1/4" NPT Inline Filter

LE LEMATEC Air Compressor Water Separator, 1/4" NPT Inline Filter

Product ID: 40029363

Details

Brand
LE LEMATEC
Filter Mounting Type
Screw In
Global Trade Identification Number
Item Weight
5.6 ounces
Manufacturer
LE LEMATEC
Material
Aluminum Steel

💧99% moisture removal efficiency

🔩1/4" NPT universal inline fit

🛠️durable aluminum & brass build

E£ 3695

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Description

💨 Keep your airflow flawless and your tools unstoppable!

UNIVERSAL INLINE FIT - Seamlessly integrates with standard 1/4" NPT hoses, couplers, and fittings for instant setup.
PUSH BUTTON DRAIN VALVE - Effortlessly purge trapped contaminants without disassembly, keeping your air supply peak-ready.
ULTIMATE MOISTURE DEFENSE - Eliminate condensation, oil, and dirt before they damage your tools or paint jobs.
RUGGED RELIABLE CONSTRUCTION - Heavy-duty aluminum housing and brass fittings built to withstand industrial and garage environments.
FLAWLESS PAINT AIRBRUSH FINISHES - Guarantee pristine, spot-free automotive and hobbyist finishes with dry, clean airflow.

The LE LEMATEC Air Compressor Water Separator (model AI303) is a compact, high-efficiency inline filter designed to remove moisture, oil, and dirt from compressed air lines. Featuring a universal 1/4" NPT fit, rugged aluminum and brass construction, and a convenient push-button drain valve, it ensures dry, clean air for superior paint finishes and tool longevity in professional and industrial settings.

Specifications

ASIN	B01N4FMOMU
Best Sellers Rank	#39,637 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #92 in Air-Compressor Accessories
Brand	LE LEMATEC
Brand Name	LE LEMATEC
Compatible Devices	air compressor air filter, air water separator for air compressor, compressor air dyer, compressor air filter, inline air dryer Compatible Devices air compressor air filter, air water separator for air compressor, compressor air dyer, compressor air filter, inline air dryer See more
Customer Reviews	4.4 out of 5 stars 1,731 Reviews
Filter Mounting Type	Screw In
Global Trade Identification Number	00850030726711
Item Dimensions L x W x Thickness	1.57"L x 1.57"W x 3.62"Th
Item Highlight	Moisture trap, paint gun & plasma cutter ready, auto-draining pneumatic dryer, model AI303
Item Weight	5.6 ounces
Manufacturer	LE LEMATEC
Manufacturer Part Number	AI-303
Material	Aluminum, Stainless Steel
Material Type	Aluminum, Stainless Steel
Model Number	AI303
Number of Items	1
Number of Packs	1
Product Dimensions	1.57"L x 1.57"W x 3.62"Th
Product Grade	Like New
Unit Count	1 Count

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E£ 3695

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to EGYPT.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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