DuraVent 46DVA-DC Ceiling Support/Wall Thimble Cover Type_Vacuum Switch The FreshWater Clean Screen Pre-Filter

The FreshWater Clean Screen Pre-Filter attaches to your garden hose and filters out organic contaminants

because there is no chemistry to work around

Make sure the bottom seats squarely and completely in the housing when you install it

Recommended phosphate levels in a spa are below 125 ppb

DuraVent 46DVA-DC Ceiling Support/Wall Thimble Cover Type_Vacuum Switch The FreshWater Clean Screen Pre-FilterDuraVent 46DVA DC Ceiling Support Wall Thimble Cover Overview Use as a decorative cover for horizontal (through wall) installations or for flat ceiling installations. Fits over the Wall Thimble face plate. Comes with an insulation ring to reduce air infiltration where the pipe slips through the thimble. Painted Black. What's in the Box 1 x DuraVent 46DVA DC Ceiling Support Wall Thimble Cover Specifications Material: Galvalume Steel Diameters: 4" x 6 5