HomeSaver; HomeSaver Pro 17″ x 17″ SS Single-Flue Chimney Cap 3/4″ Mesh; 14611 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. 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: 17 (W) x 17 (D) x 8 (H). Fits Outside Dimensions: 16-1/2X16-1/2 to 19X19. Mesh: 3/4.