| Item No: | Nominal Size | Size (Duct Opening) | Model | Slots | Neck Size | Actual Size | Material | Outer Dimensions | Color | Airflow Direction | Type | Bulk Pricing | Order | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2-10 | 11-20 | 21-49 | 50+ | 100+ | |||||||||||||
| 210400-21 | 20"W x 4"H | Steel | 21-3/4"W X 5-3/4"H | White | Adjustable | $36.99 | $35.15 | $35.15 | $35.15 | $35.15 | ||||||||
| 421108-16 | 20"W x 4"H | Aluminum | 21-3/4"W X 5-3/4"H | White | Adjustable | $40.29 | $38.28 | $37.47 | $36.67 | $36.27 | ||||||||
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