These Flexible Drain Hoses do not require any glue in order to be attached to a Bulkhead. In case any maintenance needs to be done to the sump or Aquarium, the Drain Hose can be removed and re-inserted at anytime.
Just push the 1-1/4 inch (OD Ř) PVC end-pieces (all 1-1/4" Drain Hoses have white end-pieces as shown in main product photo) into the Bulkhead and you are done, or you may use a 1" PVC pipe to connect the Bulkhead and Drain Hose.
The 1-1/2 inch sized PVC end-pieces need an adapter (sold separately) to fit into the 1-1/2 inch bulkhead.
PVC end-pieces available in 1-1/2 inch (fits into 1-1/2" Bulkhead) and 1-1/4 inch (fits into 1" Bulkhead)
1-1/2" PVC end-pieces shown above