3M Masks with the "CoolFlow" valve

Discussion in 'Lawn Mowing' started by SMB, Jul 6, 2001.

  1. SMB

    SMB LawnSite Senior Member
    Messages: 323

    Northerntool.com www.northerntool.com has these in 10 packs for $20, otherwise $5 EACH at Wally World.
    They really filter well and the valve really works.
    They also sell hour meters for around $30.

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