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Round Aluminum vents with screen.
Easy "Snap In" Installation.
Rugged construction (.020 - Gauge Aluminum)
They fit into the hole made by a drill-type hole saw and are held in place by knobs on the side of the vent. No nails or screws are needed.
These vents are designed for use in wood and do not work well in metal.
3.50 si nfa (square inches of net free ventilation area)
Made in the USA.
- Item #: RLB-100 4"
- Manufacturer: Maurice Franklin
