20x20x8 Polyester Cube Filter (no wire frame)3-Ply, Koch 105-700-003 (10 pcs) voomi_id_10036 attic ventilators

attic ventilators

Pitch Angle: 33 degrees

External Auxiliary Switches Available: Yes

Depth Compatibility: 42 to 44 inches

20x20x8 Polyester Cube Filter (no wire frame)3-Ply, Koch 105-700-003 (10 pcs) voomi_id_10036 attic ventilatorsKoch Duo Cube Filters: Medium efficiency, extended surface filters constructed of 100% synthetic fibers to meet the requirements found in various air handling systems. Duo Cubes are offered in four media types: 1 Ply, 2 Ply, 3 Ply and 4 Ply. All four are engineered to provide an excellent combination of efficiency and extended filter life cycles and are available in Standard style (without an internal wire frame, for use in existing cube type baskets