Mulch kit turns every normally available lawn mower from 38 cm wide into a mulching mower instantly the sturdy square edged nylon filaments chop the grass up finely so that a natural biological fertiliser is produced the garden master lawnmower mulch kit can be used without a clippings container mulch function or with the clippings container this reduces the grass volume considerably and the container requires less frequent emptying during mowing set consists of reduction rings