GF3-105-V Viton O-ring (prior to 4/2013)
The GF3-105-V Viton O-ring is black and fits the legacy version of the 3″ frit sold before April of 2013. The O-ring is 1/16 inch.
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GFA-3T 3″ (82.6mm) Filter Assembly, PTFE Frit
GFA-3G 3″ (82.6mm) Filter Assembly / Pyrex Frit
