.75" HVAC IN King 30x30x1 x Air Filters USA 29.5 : 8 x Filter Filter Furnace 5 PACK Actual 29.5 MADE Pleated MERV A C tested and cleaned by Walmart tested and cleaned by Walmart Refurbished Program Sellers and Suppliers Fully functional product in Like New Condition that may or may not have minor cosmetic defects and more LED MONITORING Check the audio levels and mute status at a glance with green to red lighting right on the mic RGB DOWNLIGHT Enhance the ambiance with a customizable RGB light emanating from below the mic SHOCK MOUNT Integrated mount reduces unwanted vibrations for clearer sound Merv Filters trap airborne particles without impacting air flow FAST & EASY INSTALLATION: Open