2 x Plastic Hose Joiner Barbed Connector Reducer Flexible Pipe 32mm 20mm Pond

2 x 32mm-20mm 1.25"-0.75" Barbed Reducer Hose Connector Flexible Pipe Koi Pond Garden Boat Marine Sump. ( Pond Construction ). These quality polypropylene fittings are specifically made for aquatic use are marine grade plastic and are fine to use in saltwater.

eBay