Plunger Boss Sink and Drain Plunger with Flange 150mm Black/Brown SKU: 289067 MODEL: HA3598 Error. try again later You've successfully joined the club $ 12 .98 each Mitre 10 Variants Heavy duty. Clear blocked toilets and drains of all types. Solid wood handle. Features and benefits Creates a vacuum to clear blockages. The alternative to harsh chemicals. Flange provides a stronger seal.