autoevolution

Is a Metal Oil Filter Better Than a Paper Oil Filter? This Test Has the Answer

If you visit a forum that is focused on motorcycles or even on a dedicated model of a vehicle that is appreciated by enthusiasts, you are bound to find lengthy discussions about oil, as well as oil ...
The Drive

Dyno Testing Air Filters ($9 to $90) in My Civic Si: Do Any Make Power?

The air intake system in most cars involves a plastic airbox that houses a rectangular filter. No matter what car you have, l bet you can find cheap filters and expensive filters—so you get to decide ...
Electronic Design

Rise-Time Filter Kits Accelerate HDMI Testing

Recommended for HDMI Compliance Test Specification (CTS) version 1.3b testing, the Model 5915 rise time filters specifically perform HDMI cable and sink DUT compliance testing. Also known as ...
Morningstar

Zentek Announces Test Results Validating ZenGUARD(TM) Enhanced Air Filters as a High-Performance Solution for ASHRAE Standard 241 Compliance

ZenGUARD™ Enhanced Air Filters achieved an average infectious aerosol removal efficiency (εPR) of MS2 bacteriophage of 42% compared to an untreated filter, which achieved an average εPR of 16%. These ...
Hosted on MSN

Testing This Filter With a Spectrometer – The Results Shocked Me

I put this filter to the test with a spectro-analysis, and the results were disappointing. Find out why! #FilterTest #SpectroAnalysis #AstrophotographyGear What we know about the 2 National Guard ...