The present disclosure relates to a gas, diesel or other similar liquid fume or vapor filter apparatus specifically design to be utilized in the marine environment e. Thereafter, the wafer is subjected to heat processing and an inorganic insulating film is applied onto the wafer by a spin coating in an inorganic insulating film coating apparatus. A control wire for operating the treating instrument erecting member is axially movably inserted in a wire guide provided in the insert part to extend over the entire length of the insert part. At the same time, in accordance with the movement of the slider, an engaging shaft of the slider causes a pivotal engaging member to pivot and comes into engagement with an engaging recess after a predetermined amount of the pivotal movement. Such a device may comprise an outer sleeve that can be replaced in event of damage, deterioration or discolouration.