Filter Cap w Filter Pk 6 Exercise Balls The original moist heat pack Aluminum band assists in The original moist heat pack designed for use in soothing sore muscles aches and pains * Designed specifically for relief of nagging lower back pain stomach cramps and leg arm or shoulder aches and pains * Adjustable strap can be comfortably secured in various positions on the body for complete mobility * Use it hot or cold * Filled with 100% natural organic grains * 20 *Durable polyester with closed cell foam padding for comfort *Aperture for toileting without removing sling *Weight Capacity: 600 lbs *Small Fits DeVilbiss Pulmo Aide 5650D Compressor Nebulizer & Pulmo Mate 4650D Compressor Nebulizer * Each cap has a filter attached to it *