【Permanent & Maintenance-Free】 No filter elements to replace – just drain/clean periodically. Zero consumable costs, maximum uptime for industrial operations. 【Permanent & Maintenance-Free】 No filter elements to replace – just drain/clean periodically. Zero consumable costs, maximum uptime for industrial operations. 12-month defect warranty. Heavy-Duty Alloy Construction】 High-strength aluminum alloy housing withstands corrosion, vibration, and harsh shop-floor conditions. Rated for 232 PSI and -10℃ to +70℃. 【0.01μm Upgradeable for Ultra-Clean Air】 Built-in port allows attachment of a 0.01μm final filter (sold separately) to meet ISO 8573-1 Class 1 requirements for painting, food processing, or sensitive pneumatic controls. 【Compact & Integrated Design】 Space-saving footprint easily mounts on machinery or pipelines. Default port: ZG 3/4 (BSPT tapered thread). To connect with 1/4 , 3/8 , or 1/2 NPT fittings, you will need to purchase the appropriate NPT adapters separately (not included). 【Reliable Moisture & Particle Removal】 Efficiently removes bulk water, oil aerosol, and solid contaminants down to 3μm (base unit), protecting downstream tools and equipment. ASIN B0GSVK93F5 Item Weight 4.4 pounds Manufacturer Foshan KZD Industrial Package Dimensions 11.81 x 3.93 x 3.54 inches