Epi Lock Strap Sm Med Lumbar Cushions 38 oz) Battery life: 400 Urinals 38 oz) Battery life: 400 hours with BLE and 5 kHz transmission active Versatile functional and mobile these carts go wherever you need them * Durable * easily cleaned * Specially designed to hold the SS E 2 and E 1 heating units Epi Lock features a unique patented 2 strap system * The strap near the elbow supports deeply buried extensors and works with the forearm strap to provide exceptional support and pain relief * The non elastic straps are worn comfortably snug * When muscular force is applied the extensors automatically enlarge causing the straps to tighten * Universal left or right * Measure forearm circumference for sizing * Fits 7 12 circumference * HCPC: NOT COVERED