1 PVC drain hose for air conditioners,pvc foam hose for heat preservation use 2 size:14,19,25mm, 3 different cuffs available Name: PVC drain hose for air conditioners heat preservation Size: 14mm,19mm,25mmMaterials: Inside:PPCoat:PVC foam hoseFeatures: 1 Highly Flexible 2 Different cuffs available 3 Economic and durable Applications: Heat preservation and drain hose for air conditioners