The Abatement Technologies SAF182401 is the First Stage 18" x 24" x 1" Spark-Arresting Pre-filter for the H1990M Negative Air Machine or PAS2400 Portable Air Scrubber.

Spark arresting filters are designed to kill sparks before they can cause problems in equipment such as dust collectors, make up air rooftop units and other air filtration equipment. Multiple layers of expanded galvanized steel are enclosed in a heavy-weight galvanized steel frame for durability.

Features & Benefits

• Perfect for welding applications
• UL approved for air-only
• Max resistance when clean .075 wg @ 350 fpm
• Heavy galvanized steel media and frame are rust and corrosion-resistant.
• Unique patented media allows for greater accumulation of dirt and dust particles.
• Max temperature 450° F

Technical Specifications

• Nominal Dimensions: 18" x 24" x 1"
• Actual Dimensions: 17.5" x 23.5" x .875"
• Filter Capacity: 250 Grams of Grease or 325 Grams of Dust

Each Pack Includes two filters.