Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Quick View Quick View Fans / Ventilation / DuctingDust Shroom 6in. $119.00 Horti-Control Dust Shroom HEPA Filter - 6in Quick View Quick View Air PurificationHorti-Control Dust Shroom 8 in $129.00 Horti-Control Dust Shroom - 8in