PJD Safety Supplies. Hillbrush Medium Force 254 x 100mmØ Sink Plunger
RS PRO Sink plunger for use with Basins & Showers | RS
Monument Basins, baths, showers & sinks Power plunger | DIY at B&Q
PlumbShop Sink Plunger, 4-in Force Cup with 9-in Wooden Handle | Canadian Tire
Luigi's Sink and Drain Plunger for Bathrooms, Kitchens, Sinks, Baths and Showers. Small and Powerful, Commercial Style 'Plumbers Plunger' with Large Bellows : Amazon.co.uk: DIY & Tools