Mark II Clear Blowing Hose The industry standard. Lightweight polyethylene hose features an especially abrasion-resistant crown and translucent ribbed walls for easy monitoring of material flow. Interior walls are designed to fluff material. Durable, economical, and suitable for rugged all-purpose performance. 2 ½” x 50’ 3” x 50’ 3 ½” x 50’ 4” x 50’
