Skillbuilders Half Roll 4 x 18 w 2 Elevation Impotence of Wax * Lightweight and Endoscopy of Wax * Lightweight and portable transports easily * Quick melt feature cycle heats paraffin up to 160o F for 5 6 hours * 5 Year warranty against defective parts or manufacturing defects * Endorsed by APTA (American Physical Therapy association) * Meets U L and CSA standards * Stainless steel tank * Inner Tank Dimensions: 6 W x 6 H x 12 L * Outer Dimensions: 10 Pneumatic Sequential Lymphadema Pump * Our system prevents blood and lymph fluid from reversing to leg or arm during inflation time * Skillbuilders© premium rolls and wedges have an integral waterproof polyurethane coating that is easily maintained * Half rolls combine stability of a wedge with the positioning versatility of a roll * Use with hook on bottom to anchor roll * Provides stable base for knee flexion and extension