3- Duct opening 8 x 12 (10 x 14 overall dimensions) insert trimline 1-way directional (louvers running Long way/Parallel to the 12" side) douglas fir unfinished for $149.00 each / 3 for $447.00
2- Duct opening 16 x 10 (17 ½ x 11 ½ overall dimensions) insert trimline 1-way directional (louvers running the short way / Parallel to the 10" side) douglas fir unfinished for $237.00 each/ 2 for $474.00
