Fits :Advance 18B, 21B, 24B, 17E, 20E, 24E, 32E, 45B, 45BO, SP112B, SP116B; Trac 320, 389; Clarke PS18BP, PS20BP, PS20SB; TB18; and many mobile scrub and polish machines that are battery operated. Includes patented air seal feature for bearing protection. Epoxy painted fan case. |