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Best Compressed Air Drains

Van Air Systems 39-10507 Automatic Tank Drain for Air Compressors, 115V AC, Dual Inlet 1/2" and 1/4", Y-Strainer, Test Mode, Isolation Valve, 3/8" Hose Barb Fitting, 6' Power Cord
The EDV-115 automatic drain valve consists of a two way solenoid valve and a robust timer assembly, making an affordable, reliable, and effective solution for purging liquids from a compressed air system.
Reviews
"Well worth the price if you want air on demand, even in a small home shop with a smaller 20 gal + compressor this would be a great addition."
"works great wish it had a longer time span between drain intervals."
"functions perfectly, no more water build up in the tank so i can leave the air compressor on at all times."
"bought two of these for compressors at work and they work great."
"I wish I could set it for every 24 hours."
"Over 80 bucks but it's made well and serviceable."
"It worked ok while it was in one piece, purchased 16 months ago."
"works good over the last year."
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XDV-52002545, 1/4 NPT Electronic Timer Drain Valve 115V, DN3.2mm, 250PSI
XDV drains Electronic Timer Controlled Drains are engineered for continuous industrial duty and are suitable for all compressor types.
Reviews
"Great item."
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SMC NAD402-N04 Auto Drain Valve, 1/2" NPT
They are typically constructed of metal, such as zinc or type 316 stainless steel, or transparent polycarbonate, and are available with optional indicators, gauges, and drain configurations depending on the application. Compressed air filters are used in a wide range of applications, including food processing, electronics, health care, and instrumentation, among others.
Reviews
"Exact replacement for the Harbor Freight 40211 Air Dryer."
"Very nice piece of equipment , just what I wanted."
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Best Compressed Air Dryers

Max Storm 1/2 HP 2550 CFM Durable Lightweight Air Mover Carpet Dryer Blower Floor Fan for Pro Janitorial, Purple
When running a professional janitorial or carpet cleaning business, you’ll need multiple fans that can be left behind at a jobsite and picked up later. HIGH VELOCITY UTILITY BLOWER FLOOR FAN at 2 separate speed settings to move large volumes of air for customizable drying jobs.
Reviews
"Inside the box the unit is well packed in Styrofoam but not so much that it's a pain to access, so the manufacturers packaging is a good storage solution for a guy like me who might use the thing twice a year or so and store it the rest of the time."
"These fans are great."
"Either buy a fan from the box stores for 70-80 dollars and move no air or pony up the extra money and buy a fan that really move air."
"Great price."
"Bought this fan to help in cleaning a basement after a flood."
"It worked as well as one we rented from home depot a couple yrs back when we had the same type of basement flooding."
"As a "bonus", the plastic shell is strong and the blower fan is metal; a solid unit overall and appears to be built to last."
"The unit is super quiet compared to other air movers and it still moves a respectable amount of air."
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Best Compressed Air Separators

SMC AMG650-N10D Water Separator, N.O. Auto Drain, 6,000 L/min, 1" NPT
The AMG series water separator is installed on the air pressure line to remove water drops from compressed air.
Reviews
"Doesn't remove much water."
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