Excellent for sampling from tank cars, tank trucks and barges, these samplers are well suited for sodium hydroxide, potassium hydroxide, hydrochloric acid, acetic acid, formaldehyde, sulfuric acid, etc.Constructed of a 500cc (16oz) polyethylene bottle screwed onto a 10 cm (4") long, 38 mm (1.5") diameter bar which has a slot for fluid entryUpper end of the bar is threaded to accept the handle500cc (16oz) replacement bottles: catalog no.