3M FF-400-20 Spectacle Kit For 3M Ultimate FX Full Facepiece Reusable Respirator (1/KT) Straws and Stirrers * Should be used with

* Should be used with 15-24 hour Soft Light® liquid wax candles * 4" x 3"

The ALTAIR Single-Gas Detector will operate for over two years

This patented design uses advanced PVA material that activates easily and quickly when run under water for one minute and is re-usable

rounded handles

Quick-Connect Buckles No more buckle fumbling

3M FF-400-20 Spectacle Kit For 3M Ultimate FX Full Facepiece Reusable Respirator (1/KT) Straws and Stirrers * Should be used withUse with 3M Ultimate FX Full Facepiece Reusable Respirators FF 401, 402 and 403. It permits the wearer to use corrective lenses and to make position adjustment that is most comfortable.