1 each 3M 450-01-01 NIOSH HE Particulate Cartridge Free Shipping Quantity Discounts -- let me know how many you need. Brand new out of the packaging so you can buy just one or multiples with free shipping. Check my other ads for 3 packs.
"Occupying a floor space of just 65" x 32.5 inches ( 1650 x 825 mm) and with an 18" x 6" (450 x 150 mm) table capable of moving 19 inches (480 mm) longitudinally and 6.75 inches (170 mm) in traverse the 540 grinder was ideally suited to most smaller toolroom jobs. The cross slide was supported on two V ways with a feed rate of 0.007" to 0.07" (0.175 to 1.75 mm) per minute at each reversal of the longitudinal stroke.
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