2" Bottom Drain Kit (BD1 drain) incl 2" Bulkhead, Valve, Fittings Ultima II Biotube Filters phosphates and sludge from your

phosphates and sludge from your pond while clearing the water and seeding your biological filtration

1 Green (coarse) Matala Filter Pad

36 watt replacement sleeve for EPU36N

separating the waste and flushing it away

A bottom drain and an air diffuser built into one unit

2" Bottom Drain Kit (BD1 drain) incl 2" Bulkhead, Valve, Fittings Ultima II Biotube Filters phosphates and sludge from yourThis terrific system lets you have both the benefits of a skimmer and bottom drain! The bottom drain is installed with flexible PVC pipe carrying the water under the liner, through a bulkhead and into the skimmer where a valve controls what percentage of the water goes through the skimmer faceplate (surface water) versus through the bottom drain. Kit includes #BD1 Bottom Drain, 2" Bulkhead fitting, 2" valve and other fittings. Kit does not include 2"