Perforated bottom, glazed inside and out except for outside bottom surface. Filter for Gooch Crucible available and sold separay. 25-mL Gooch Crucible is recommended for use in Standard Methods 254

Guarantees underwater sampling without surface contamination. Assists in conforming to procedures described in the USEPA Handbook for Monitoring Industrial Wastewater. Clamp the sterilized, capped bot

Light weight and durable polypropylene construction with a removable filter plate for easy cleaning, chemical resistant. Fully autoclavable. Stopper sold separay.

Round polycarbonate cover and polypropylene base create implosion-proof chamber at full vacuum. Chamber is impervious to alkali and acidic conditions. Recessed rim prevents grease (not included) from

Borosilicate glass. Autoclavable. Cap included.