Schaefer Motorized Aluminum Power Shutter - Small Sizes Size:ws240 - 24 inch Installed directly in the water

Installed directly in the water supply line

Wood tag w/ twist tie 1000 TWTT3558M 3 1/2 in

Add the powder slowly to approximately 1/4 of the water you will be using

plus so much more

Schaefer Motorized Aluminum Power Shutter - Small Sizes Size:ws240 - 24 inch Installed directly in the waterDescription Specs FAQs These motorized, sturdy aluminum power shutters are the most efficient on the market. As fans are operational, the weighted louvers draw open by gravity and close when fans turn off. The aluminum construction makes them lightweight and easy to install, yet can withstand years of continuous use. These heavy duty aluminum shutters are designed to prevent drafts. The product includes motor assembly. Each shutter comes complete with