Product Description The Enduraseal small sink plunger has a 10cm diameter, rubber head, creates a powerful vacuum to quickly and effectively loosen blockages in sinks and toilets. A chemical-free and cost-effective alternative to harsh, drain cleaning fluids, a plunger is most effective where there is water in the drain. An effective alternative to harsh drain clearing chemicals. Creates a powerful vacuum to loosen up blockages effectively. 10cm diameter head.