SOLAR TALL FELT PASS-THROUGH Suitable for bitumen membrane roofs when the roof pitch is less than 1:5 (11.5 degrees).
Solar Tall Felt Pass-Through For felt roofs with a pitch of less than 1:5 (11.5 degrees)Detachable cover facilitates service of the pipesFlange and cover can be turned 90 degrees sideways to match the direction of the pipes, which makes installation easier