Photo 1 of * similar to stock photo* 4-Inch External Extractor Wall Vent Outdoor Cushioned Non Return Flap

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Photo 1 of * similar to stock photo* 4-Inch External Extractor Wall Vent Outdoor Cushioned Non Return Flap Photo 2 of * similar to stock photo* 4-Inch External Extractor Wall Vent Outdoor Cushioned Non Return Flap