Lawn Corer for Hire in Botany and Sydney. The Red Roo Plugr Aerator is ideal for all sports fields and lawns.   Manufactured for the rental industry, the Plug is self propelled,   compact and lightweight. Its front wheels swivel to allow easy   manoeuvring in tight spots. Utilising a cam driven piston   mechanism, the Aerator pulls up cores up to 100mm deep.   Aerating improves nutrient transfer, encourages root growth,   reduces water requirements and promotes a vigorous lawn   with fewer weeds.