Description Cobra Fortis 25″ 63cm Aerator Cartridge CO25CXAR 25″ Aerator Cartridge The Fortis aerator cartridge creates tiny holes in the soil, allowing air, water, and nutrients to penetrate more effectively into the root zone. This facilitates deeper root growth, resulting in a denser, healthier, and more luxurious lawn.   – Size: 25″ – Use: March – November – Fits: All Fortis models – Other Sizes Available: 14″, 17″, 20″ Please Note we don’t hold all products in stock due to the wide range from Cobra, please contact us if there’s a particular product you require.