Screwed elbow 20x20 with fitting, no crimping required, use for plastic-needle...
PEX.K20
Elbows and reduced elbows for plastic pipe and tubing for heating, water and flooring for PEX, PERT and more
Mixed screwed couplings for pipes for heating, radiator heating, underfloor heating and drinking water DHW. The biggest advantage is their installation without special tools, just a fork handle.