Exel Mophead PY Yarn Green 200G Exel Mophead PY Yarn Green 200 g is a traditional socket mop head made with absorbent PY (polyester) yarn and a push-fit Exel socket, designed for general mopping and spill pick-up on smooth floor surfaces such as lino, vinyl, laminate and other daily maintenance zones. The green colour coding helps support hygiene programmes by preventing cross-contamination between cleaning areas.