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: 13″ (W) x 13″ (D) x 10″ (H). Fits Outside Dimensions: 11-1/2″X11-1/2″ to 14″X14″. Mesh: 3/4″.