Plenum, Venting & Fittings

4" Oval B-Vent Pipe 3'
- Item: 4O3
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4" Oval B-Vent Pipe 4'
- Item: 4O4
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4" 45° Flat Oval B-Vent Elbow
- Item: 4O45F
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4" 45° Oval B-Vent Elbow
- Item: 4O45S
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4" Oval B-Vent Pipe 5'
- Item: 4O5
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4" Oval B-Vent Pipe 6'
- Item: 4O6
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4" Oval Installation Kit
- Item: 4OBW
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4" Oval Rain Cap
- Item: 4OC
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4" Oval Locking Oval Rain Cap
- Item: 4OCA
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4" Oval to Round B-Vent Adapter
- Item: 4OE
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4" Oval Roof Flashing 5/12
- Item: 4OF
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4" Oval FHA Roof Flashing 5/12
- Item: 4OFFU
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