Grip-Rite #9 x 2-1/2 In. Flat Head Star Gold Construction Wood Screw (420 Ct., 5 Lb.) Peak Performer II Ventilated opening dimensions: 20-1/2" x

Ventilated opening dimensions: 20-1/2" x 26"

uniquely textured acoustical panels that produce sag-resistant

allowing cool air to pass through its vent holes

Removes cleanly - no holes

Luna panels absorb and block sound for high total sound control

Grip-Rite #9 x 2-1/2 In. Flat Head Star Gold Construction Wood Screw (420 Ct., 5 Lb.) Peak Performer II Ventilated opening dimensions: 20-1/2" xGold construction screws. T 25 Star Drive (Free T 25 bit included in box). T 17 Point eliminates the need to pre drill and reduces splitting. Star Drive Head reduces bit spinout. Nibs under drive head seat fastener perfectly in wood. Auger threads aggressively cut through wood.