HomeSaver; HomeSaver Pro 12″ Stainless Steel Round Chimney Cap 3/4″ Mesh; 10355 HomeSaver’s single-flue caps are available in 3/4 rugged mesh. Some galvanized sizes are available in 5/8 (California) mesh. HomeSaver single flue caps feature picture frame embossing on the lid as well as a shallow channel base for added strength. for the customer with budget in mind, you can’t go wrong with the galvanized painted black model. Support tabs inside the base sit on the flue tile and the cap is then secured with screws through strip-proof weld nuts. Features: Material: 304-alloy stainless steel. 18-ga. base and mesh, 24-ga. lid. Lifetime Warranty for stainless steel. Lifetime Warranty on workmanship and materials. Specifications: Overall Dimensions: 12 (W). Fits Outside Dimensions: 11 to 13-1/2. Mesh: 3/4.