supply of Set Of Mesh Guard For Dirt Collector Painted With Two Coats Of Black Anti Corrosive Paints [1] Mesh Guard For F. P. Dirt Collector As Per Sl. No.1 Of Sk. No. Llh - 33-99. Alt. No. - 1 [One]. [2] Mesh Guard For B. P. Dirt Collector As Per Sl. No. - 2 Of Sk. No. Llh - 33-99