Minky Dishjet Liquid Heavy Duty Refills are the easily replaceable head for your Dishjet Liquid. With a heavy duty sponge and scrubbing brush to cut through grease and grime, these are perfect for the toughest of food stains on dishes. To change your Dishjet Liquid Refill, simply push down on the clip on the underside of the handle and slide off. Then, slide on the new refill until it clicks into place.