4" Top Kit 18X18 304(0) No Reviews yet SKU: NC4TK1818 $110.99 Quantity discounts available QuantityPrice Quantity -+ Add to Cart Product DescriptionProduct DescriptionThe 4" Top Kit 18X18 304 is complete with a rain cap, to keep out animals, debris and rain and a top plate to safely and securely connect to the flue pipe. Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review