The usual configuration for a pipe-cap filter is sketched in Figure 1: a metal plate shorting the open end, with probes for inpu
The usual configuration for a pipe-cap filter is sketched in Figure 1: a metal plate shorting the open end, with probes for inpu
![The Plumber's Choice 1 in. x 1 in. L Malleable Iron Pipe Cap Threaded Fitting 150 lbs. Application Black Pipe Cap (10-Pack) 0100BMCP-10 - The Home Depot The Plumber's Choice 1 in. x 1 in. L Malleable Iron Pipe Cap Threaded Fitting 150 lbs. Application Black Pipe Cap (10-Pack) 0100BMCP-10 - The Home Depot](https://images.thdstatic.com/productImages/b9039b9a-951f-4c1a-9ac8-6178a8e08c5c/svn/black-the-plumber-s-choice-black-pipe-fittings-0100bmcp-10-64_1000.jpg)