Polaris 3900 Sport/280 Vac-Sweep BlackMax All Purpose Black Bag | K17 Waterway Diatomaceous Earth Filters It has an opening through

It has an opening through its middle where it can be fitted over the top of the sweep hose

They still perform to top standards and are made from the same high-quality materials we are accustomed to having with Zodiac products

This cleaner was designed for vinyl in-ground pools

meets ASTM D2564

Polaris 3900 Sport/280 Vac-Sweep BlackMax All Purpose Black Bag | K17 Waterway Diatomaceous Earth Filters It has an opening throughPolaris 3900 Sport 280 Vac Sweep BlackMax All Purpose Black Bag (K17) This bag was designed to store all the dirt, debris, and other forms of mulch that are sucked up off your pool's surface. It is made from a durable vinyl like material that is not only strong but lightweight. Also, the net like design of this material allows water to flow effortlessly through the bag so that way it doesnt impede the cleaner in any way. This part sits atop of the