This is a genuine Jet replacement part. The inlet port is designed by the manufacturer for use in dust collectors. This part is made of high-quality plastic, and is attached to the impeller housing. You may require a screwdriver when replacing this item. This part is sold individually. For Use With: Jet DC-1100A (708639) Dust Collector DC-1100RC (708626RC) Dust Collector DC-1200A (708634) Dust Collector With Filter Bag DC-1200CRC (708635RC) Dust Collector With Canister DC-1200A (708635) Dust Collector With Filter Bag DC-1200C (708634C) Dust Collector With Canister DC-1100BK Dust Collector ...