We need following dry gas filter,s elements for natural gas filteration of 10 micron to control dirts, dust and corression particals from pipings. 01. FILTER ELEMENTS FOR DRY GAS FILTERS 2"ANSI CLASS 150LB. Dimensions: for 2" size gas filters. length=3.12", inside dia=3.50", outside dia=6"spring length=2", spring wire dia=.132" Element Type : Pleated Paper Elements End Cap : PVC/Metallic Required Qty. 1650 NOS 02. FILTER ELEMENTS FOR DRY GAS FILTERS 4"ANSI CLASS 150LB. Dimensions: for 4" size gas filters. length=7.81", inside dia=3.50", outside dia=6"spring length=2", spring wire dia=.132" Element Type : Pleated Paper Elements End Cap : PVC/Metallic Required Qty. 3100 NOS 03. FILTER ELEMENTS FOR DRY GAS FILTERS 6"ANSI CLASS 150LB. Dimensions: for 6" size gas filters. length=310mm, inside dia=142mm, outside dia=250mm, spring length=2", spring wire dia=.132" Element Type : Pleated Paper Elements End Cap : PVC/Metallic Required Qty. 170 NOS Please quote FOB, C& F KARACHI BY SEA BASES PEICES WITH COMPLETE PRODUCTS SPECIFICATION AND TECHNICAL CATALOGUES. Best Regards,