Filter Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Equipment, Negative Air MachinesMicro-Trap Negative Air Machine – 1800 CFM Add to quote This product is already in your quote request list. Browse the list Equipment, Negative Air MachinesMicro-Trap Negative Air Machine – 2000 CFM Add to quote This product is already in your quote request list. Browse the list Equipment, Negative Air MachinesMicro-Trap Negative Air Machine – 600 CFM Add to quote This product is already in your quote request list. Browse the list Equipment, Negative Air MachinesNCF Negative Air Machine with Gauge – 1800 CFM Add to quote This product is already in your quote request list. Browse the list Equipment, Negative Air MachinesNCF Negative Air Machine with Gauge – 2000 CFM Add to quote This product is already in your quote request list. Browse the list Equipment, Negative Air MachinesNCF Negative Air Machine with Gauge – 600 CFM Add to quote This product is already in your quote request list. Browse the list