https://spapartsoutpost.ca/plumbing/pvc-adapters/
PVC Adapters Reducers
PVC adapters and reducers to modify hot tub plumbing size.
pvc adaptersreducers
https://pexuniverse.com/sch-40-pvc-mip-x-socket-adapters
Sch 40 PVC MIP x Socket Adapters - PexUniverse
Male threaded x Socket adapters provide a straight transition between female threaded fitting or outlet and PVC pipe. Made in the USA.
socket adaptersschpvcmipx
https://fishtanksdirect.com/pvc-elbow-insert-adapters-1-2-mpt-1-hose-barb-du10610/
PVC Elbow Insert Adapters 1/2 MPT x 1 Hose Barb DU10610 @ Fish Tanks Direct
Plumbing DU10610 Now Available. Buy Your PVC Elbow Insert Adapters 1/2 MPT x 1 Hose Barb Direct and Save. Free Shipping on Orders Over $75. Tax-Free.