# Intake Louver, Fixed, Drainable, 18H x 24W

21 In.H 27 In.W Drnbl Extrd Alu Intake Louver, Louver Type Stationary Blade, Frame Type Flanged, Frame Depth 4 in, Mounting Style Surface Mount, Outside Height 17 1/2 in, Outside Width 23 1/2 in, Rough Opening Height 18 in, Rough Opening Width 24 in, Louver Maximum Intake 1,447 cfm, Maximum Exhaust 2,069 cfm, Maximum Outside Width 26 1/2 in, Minimum Outside Width 26 1/2 in, Flange Width 1 1/2 in, Free Area 1.3 sq ft, Beginning Point of Water Penetration 1,031 fpm, Maximum Air Velocity 3500 fpm

graingerSKU: 20UA40, mscSKU: , zoro\_no: G8655166, mongo\_id: 65bbea1f22d7a989a9997345

## Details

- **Price:** 369.99 USD
- **Vendor:** Dayton
- **Type:** Intake Louvers
- **Tags:** DESCRIPTION_UPDATE

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 369.99 USD | In stock |

## Images

- Z-oJywkcpEx_.JPG

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> Source: [The Tools Man](https://www.thetoolsman.com/products/dayton-intake-louver-fixed-drainable-18h-x-24w-20ua40)
> Updated: 2026-09-01