This Avantco 17813176 clear 20 mm drain hose is a direct replacement for the drain hose that came with your unit. It is designed to mount to the drain pan to catch the water and prevent it from collecting inside the unit. The hose makes draining efficient and mess-free. An essential part of your unit's refrigeration system, it's important to replace a broken or worn drain hose. It's compatible with Avantco CRM, GD-ICE, GDC, and GDS refrigerated merchandisers.