steel wire rock grate, 12.75 ins. x 23.25 ins.; used with Sterling 2110, 2200, 2210, 2220, 2230, 2240, 2410, 2420, 2610, 2620, 2630, 2640, 3220, 3240, C40, C410, C420, C430, C52, C60SRB, C640, DB410, DB420, DB460, H2D, R100, R200, R2000, R200AD, R200BD, R2D, R400, R400AD, S200, S2000, S2000DW, S2000W, S200AD, S200BD