Medi Vac® Guardian™ Suction Canister, 1200 mL, 1 Case of 30 Personal Protection Products Pantyhose * Antracite * 20 30 Color:Red Pantyhose * Antracite * 20 30 mmHg * X Large * Ankle Circimference 11 1 2 13 Thigh Circumference 23 5 8 32 * Hip Circumference 40 65 * Beautifully sheer hosiery Durable long lasting * Sandalfoot styling * Gradient compression for relief and prevention of venous disease * Therapeutically effective sheer lightweight and fashionable 7¾ Inches by 9 Inches manual pull wipe 90° adapters allow tubing to connect at right angles to help prevent kinking and impeded fluid flow An automatic overflow shutoff valve is located inside the lid to help prevent cross contamination of regulators and wall vacuum outlets