Lawn Vacuum Parts---This 43791 Hose Adapter is compatible for Leaf Vacuum & Mow-N-Vac and Lawn Vacuum Models. Perfectly fit for 5 inch, 6 inch, or 7 inch diameter connecting lawn vacuum hose. Fit Vacuum Models---For : 45-0407, 45-0407-131, 45-04071, 45-04072, 45-0540c, 45-05401, 45-0541, 45-0567, 45-0577, 45-0578, 551887, 551888, 551889, 551889C, 551889C-999, 552493, 552494, 552495. For : 48624504, 48624505, 48624515, 48625012, 48625013, 486250131, 486247070, 486247071, 486247072. Easy Installation--- This lawn vac hose adapter connects the inlet hose and mounts to the impeller housing. When connecting a 6-in or 7-in diameter hose, the leaf vacuum hose adapter can be tucked into the hose and secured with a hose clamp. If connecting a 5-in diameter hose, drilling be required. The hose need to be plugged inside the lawn vacuum hose adapter and secured with bolts. No Cracking---The lawn vac parts is made of -performance Plastic and features rigidity, no deformation, and abrasion resistance. It 't crack when cleaning up your lawn by inhaling branches or rocks. Colour:black Material:plastic Package Contents: 1 * 43791 Hose Adapter