2 Micron Oxygen Stone with 1/2″ MPT Thread and 1/4″ Barb.
316 Stainless 1/2″ diameter. Stone is 1″ in length. Overall length is 2.5″
It has a 2 micron stone and threads into a 1/2″ MPT fitting and 1/4″ diameter for O2 line.The barb is 1/4″OD.
As if this posting, this is AliExpress offering is selling for just $7.90. Shipping is $4.18 to US addresses. Check the listing for up to the minute price, description and availability.
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