Yes all, this aspect seems to have 'disappeared' from the prescribing info...below
http://gammagardliquid.com/pdf/gamliquid_PI.pdf
see page 3, 'dosage and administration'...This all is for the liquid tho.
If you've the powder, web up 'gammagard' and see if it's [I think] S/D and do a similar look at the prescribing info for that...As of this time last year, there were clear indications for the powder that a filter and pump HAD to be used. I am getting sluggish in my research? Not really, I'm using Gammunex and Last I looked [2 months ago] Pump and filter were in order. SIGH?
HOpe this helps....

's to all! - j