The Arrow 1/2 in. Electronic Tank and Air Compressor Drain with Strainer is ideal for heavy use. This electric tank drain can be adjusted to open and expel water from 1 to 60 minute intervals. The drain time of this compressor drain can be adjusted from 1 to 30 seconds, with a drain rate of 4 gallons per minute. This electric drain comes with 6 foot power cord and a strainer that traps debris.