Works great - This rubber filter disc does exactly what it is supposed to do, with no leaks or funnel movement.
FLTR01
470017-722EA11.35USD
470017-722
Filter Support Collar
SupportsSupport Sleeves
Filter Support Collar is a sturdy, molded rubber filter disc.
Inside Diameter: 32 mm
Outside Diameter: 76 mm
Molded Rubber Construction
It is designed to support and seal a filter crucible or funnel in the neck of a filter flask.
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