Kit includes two replaceable plastic adapters. From bottom to top, adapter A features 1-1/2" NPT female to 1-1/4" barb, 1" NPT male and 1" barb. Adapter B features 1-1/2" NPT female to 1-1/2" barb and 3/4" GHT male. For connecting 1", 1-1/4", 1-1/2" barbed and 1" NPT discharge hoses, as well as 3/4" GHT garden hoses to water pumps. Made from sustainable PP and glass-reinforced nylon, durable and pollution-free. Easy to install, connects seamlessly with 3/4 inch garden hoses and compatible with various discharge hose sizes for versatile use. Suits to replace adapters of water treatment equipment or sump pumps for Green Expert products or most brands. Green Expert Plastic adapter kits, for replacement of sump pump outlet connector, fits in Green Expert Water Pump models for well sealing.