Order quantity of (2) to replace both bags on material collection system. Replacement bag for 300, 400, GT, GX, LT, LX, SST, and Select Series rear baggers. The loose-knit bag allows more air to flow through and provide complete bag filling in wet and heavy grass conditions. The 3.5 bushel capacity bag lifts out for emptying and are easy to reinstall. Fits 2 bag material collection system.