WDLTT-0408-72 WDLT-0406-72 WDLT-0404-72 SPC Type No. 1x3 [25.4 x 76.2] 1x2 [25.4 x 50.8] 1 x 1.5 [25.4 x 38.1] 1x1 [25.4 x 25.4] Nominal Duct Size .75 [19.1] 2.60 [66.0] 1.62 [41.1] 1.19 [30.2] .75 [19.1] A 1.56 [39.6] 1.05 [26.7] 3.06 [77.7] 2.06 [52.3] 1.56 [39.6] 1.05 [26.7] B 1.02 [25.9] 1.03 [26.2] 1.02 [25.9] 1.00 [25.4] Dimensions WDLT-0412-72 1.5 x 1 [38.1 x 25.4] 1.19 [30.2] 1.50 [38.1] WDLT-1608-72 WDLT-1216-72 WDLT-1212-72 WDLT-1208-72 WDLT-1204-72 WDLT-0816-72 WDLT-0812-72 WDLT-0808-72 WDLT-0804-72 WDLT-0616-72 WDLT-0612-72 WDLT-0608-72 4x3 [101.6 x 76.2] 4x2 [101.6 x 50.8] 3x4 [76.2 x 101.6] 3x3 [76.2 x 76.2] 3x2 [76.2 x 50.8] 3x1 [76.2 x 25.4] 2x4 [50.8 x 101.6] 2x3 [50.8 x 76.2] 2x2 [50.8 x 50.8] 2x1 [50.8 x 25.4] 1.5 x 4 [38.1 x 101.6] 1.5 x 3 [38.1 x 76.2] 1.5 x 2 [38.1 x 50.8] 3.60 [91.4] 2.60 [66.0] 1.62 [41.1] 3.60 [91.4] 2.60 [66.0] 1.62 [41.1] .75 [19.1] 3.60 [91.4] 2.60 [66.0] 1.62 [41.1] .75 [19.1] 3.60 [91.4] 2.60 [66.0] 1.62 [41.1] 4.06 [103.1] 3.06 [77.7] 2.06 [52.3] 4.06 [103.1] 3.06 [77.7] 2.06 [52.3] 1.05 [26.7] 4.06 [103.1] 3.06 [77.7] 2.06 [52.3] 1.05 [26.7] 4.06 [103.1] 3.06 [77.7] 2.06 [52.30] 1.50 [38.1] 1.50 [38.1] 1.50 [38.1] 1.00 [25.4] 1.00 [25.4] 1.00 [25.4] 1.00 [25.4] .50 [12.7] .50 [12.7] .50 [12.7] .50 [12.7] 4.00 [101.6] 4.03 [102.4] 4.03 [102.4] 3.00 [76.2] 3.02 [76.7] 3.03 [77.0] 3.04 [77.2] 2.00 [50.8] 2.02 [51.3] 2.03 [51.6] 2.01 [51.1] 1.50 [38.1] 1.52 [38.6] 1.53 [38.9] 1.52 [38.6] WDLT-1612-72 4x4 [101.6 x 101.6] On Center Line D WDLT-0604-72 1.5 x 1.5 [38.1 x 38.1] C WDLT-0606-72 WDLT-1616-72 NOTES: 1. Material: PVC 2. Color: Gray 3. Rated: UL94V-0 A B Including Cover (Sold Separately) Typical Mounting Hole Dimensions D C C