CO2 devices

Joe Lipsick lipsick at
Mon Jun 3 15:43:31 EST 1996

greg fitzgerald wrote:
> Does anyone have an address for supplier(s) of the porous polyethylene
> for use with CO2. Thanks
> Greg

I've made cheap, workable CO2 pads by cutting polyethylene gel dryer 
sheeting, taping it over the "holy" side of used pipette tip boxes, and 
then poking a hole in the side of the tip box for a CO2 inlet tube.  I 
bought the porous polyethylene sheeting from Hoeffer (#SE1145).  That 
company has since been purchased by Pharmacia and their part number seems 
to be #80-6118-38.
Good luck,
Joe Lipsick

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