Support Sleeves

Replacement sleeves are easily removed for cleaning or replacement.

Filter Support Collar is a sturdy, molded rubber filter disc.

Made of molded, black rubber with a conical opening 27 mm at the top tapered to 22 mm at the bottom, the crucible holder includes a glass funnel.

These plastic sleeves slide snugly over any standard size lab thermometer to keep it from rolling off the lab bench.

High Quality for the Classroom.

Black sponge rubber guards prevent breakage and rolling.