One-hand push operation in a space-saving design. NXT Sanitary Sealed refill bags conform to dispenser’s interior, taking full advantage of space inside. Smaller than 800-ml dispenser, yet holds 1,000 ml. NXT Sanitary Sealed refill bags conform to dispenser’s interior, taking full advantage of space inside. One-hand push operation. Space-saving design. Smaller than 800-ml dispenser, yet holds 1,000 ml.