Bulk heads work great anywhere you need a leak proof seal. Use on liners, tanks, drains, etc. Provides female threads on both sides of the seal.
Available in the following sizes: 3/4", 1", 1-1/4", 1-1/2", 2", 3", and 4"
Here are the replacement parts for Bulk Head.
The first step towards effectively treating any pond weed is proper identification. Bulk Head is recommended for use against each of the weeds listed below. Click on your desired weed for more information and alternate control options.