Regency

946-205 is a vinyl siding shield for use with parts 640-530/P and 946-544. This is only required when there is vinyl siding. Genuine OEM part

The AstroCap XL Vinyl Siding Standoff from Regency, is required ONLY on homes with vinyl siding. NOTE: Already Included with AstroCap 5"x 8" Flex Vent Kits