The Honeywell North® HM500 Series Half Mask is engineered as a lightweight: durable soft half mask with easy operation features

sharp edge

Loctite Blue threadlocker and a leather disc (for original TB15 models only)

The 1/4-in thickness eliminates the need to modify adjacent thresholds when abutting to carpet

Rockwool Comfortboard 80 Dimensions:48" x 72" The Honeywell North® HM500 SeriesROCKWOOL COMFORTBOARDTM 80 is a rigid mineral wool insulation sheathing board that is non combustible, water repellent, fire resistant and sound absorbent. COMFORTBOARDTM 80 is an exterior non structural insulation sheathing that provides a continuous layer of insulation around the commercial or residential building envelope. Product Thickness Dimensions Sqft Bag Rockwool Comfortboard 80 1 24 x 48 80 Rockwool Comfortboard 80 1. 25 24 x 48 56 Rockwool