3M FF-400-20 Spectacle Kit For 3M Ultimate FX Full Facepiece Reusable Respirator (1/KT) Straws and Stirrers This patented design uses advanced

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

DBI-SALA beam anchors provide economical flexibility

Quick-Connect Buckles No more buckle fumbling

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

3M FF-400-20 Spectacle Kit For 3M Ultimate FX Full Facepiece Reusable Respirator (1/KT) Straws and Stirrers This patented design uses advancedUse 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.