Application: 48133 boot For Agri-Fab MOW-N-VAC Lawn vacuum model:45-0540, 501885, 501885B, 501886, 501887, 501888, 551889, 551889A, 551889B, 190-217C-100, 190-217D-100, 190-217E-100, 190-217F-100, And fit for Agri-Fab CHIP-N-VAC Lawn vacuum model:502492, 502493, 502494, 552493, 552494, 552496A.Replacement for part # 48133, AF-48133, AF48133. Function: Upgrading this component eliminates air leaks caused by worn old boot, restoring the equipment’s original strong suction. A tight connection is crucial for maintaining the high-efficiency operation of your lawn vac, significantly improving leaf collection performance. .