New Cavity Bandpass Filters for STLsIntegrated Microwave is out with a line of ultra-narrow bandpass cavity filters for 900 MHz STL receivers. The company says the cavities were designed as ...

DIY air filters can be safe, simple and inexpensive. Here’s how to make one By Ada Tseng Assistant Editor, Utility Journalism Sept. 17, 2020 1:36 PM PT ...

4. Plumb Hose from the Filter to the Brush From the hose barb on the “OUT” port of the filter mount, run a hose back into the parts washer tank through the other grommet.