PF-DD-36 Specifications: Max. CFN: 3500 CFM, 250 FPM Downdraft Voltage/Amp: Pre-wired On/Off switch, 208/230 or 460V (9.8 AMPS at 208/230, 4.9 AMPS at 460V). Air Pulse Cleaning: On-demand reverse pulse button for easy cleaning. (1.1 SCFM at 80psi per second of cleaning pulse.) Filter: 2x High-efficiency Nanofiber FR cartridge filter (250 Square ft.) P7401RM Filter Multi-stage Spark Protection: Built-in drop-out tray for slag, FR wrap around the top of filter and filter with FR coating. Blower/Motor: 3 HP Direct Drive Blower db Rating: 78 Weight: 450 lbs. Construction: 14 G welded steel Weight Rating: 1200 lb weight rating for table top Maintenance schedule: Change filters once a year or when they hit 3” on the gauge. Empty dust trays as needed. This unit has two filters. All equipment purchases require 50% down payment. DAMN Filters offers a full line of dust collection equipment. If you don't see the Downdraft table you are looking for or need help give us a call at (844) 605-3266 or contact us.