Rusco SS1 Sun Shield<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The Rusco SS1 Sun Shield inhibits algae growth inside the Rusco water filter system cover， which can grow inside clear covers if sunlight is not stopped by a sun shield.</li><li>The Rusco SS1 Sun Shield only works on 0.75" and 1" Rusco Spin-Down Filter Systems and Vu-Flow 1" Screen Filters.</li><li>The Rusco SS1 Sun Shield only works on 0.75" and 1" Rusco Spin-Down Filter Systems and Vu-Flow 1" Screen Filters.</li><li>If you have a 1.5" Spin-Down System or a 0.75"， 1"， or 1.5" Sediment Trapper System， you must use the Rusco SS1.5 Sun Shield.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Dy5Q30slL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21Q0Er6iUlL.jpg" noproxy>