The Ventinox Top Cover Plate is designed to fit on the top of the flue or chimney. It has a raised lip which helps to prevent rainwater from entering the flue. Make sure you have high-temperature silicone sealant.
13 x 13 Plate for 8″ Liner (18995) $55.04
13 x 13 Plate for 6″ Liner (18993) $55.04