Filters For #5650D (Pack 25) (Fits 4650D & 5650D) Diagnostics Health Care Instrument and Solution Stands Health Care a fashionable ribbed design delivers gradient compression therapy yet looks like a men's dress sock *Attractive ribbed design with all day non constricting comfort band keeps socks up without binding or pinching *Flat toe seams and roomy toe section for extra wiggle room *Durable reinforced heel resists shoe abrasion *Anti bacterial additive reduces unpleasant sock odors *Special soft micro and multifiber yarns keep feet cooler and dryer *Machine wash in a mesh laundry bag or hand wash with warm water using a mild soap or detergent designed for compression stockings *Machine dry on low heat *Latex free 71% nylon 25% spandex 4% silicone *XLarge *Black *30 40 mmHg (CCL 2) Very Firm Gradient Compression Indication Guide: *Chronic venous insufficiency *Deep vein thrombosis *Post thrombotic syndrome *Severe varicose veins *Severe edema lymphedema *Venous ulcer *Lymphedema *Orthostatic hypotension *Postural hypotension *Helps Prevent DVT (Deep Vein Thrombosis) *HCPCS Code CPT Code: A6534 Long Life Air Filter Pk 25 * Filters for # 5650D 4650D *