METAL SAMPLING TUBE DUCT (VARIOUS WIDTHS)

DST
Metal sampling tube duct width up to 0.3m DST1
Metal sampling tube duct widths 0.3 to 0.6 m DST1.5
Metal sampling tube duct widths 0.6 to 1.2 m DST3
Metal sampling tube duct widths 1.2 to 2.4 m DST5
Metal sampling tube duct widths 2.4 to 3.6 m DST10