The Sony GW90LCL is a large cleaning tape for use with DTF tape drives and autoloaders. You can get up to 180 cleanings with the Sony GW90L-CL cleaning cartridge. Recommended use is when the cleaning light/lamp/LED on your DTF tape drive or autoloader lights up or alternatively use regularly (for example once a fortnight or once per 40 GB of transferred data). The Sony GW90L-CL is ideal if you wish to keep your DTF drive at performing at its best.