N O W YOU C A N HAVE NALGENE PERFORMANCE IN BOTH REUSABLE A N D DISPOSABLE FILTERV&ARE. O n l y Nalge gives y o u b o t h reusable and disposable filterware for water-quality analysis.And b o t h are excellent for either lab or field w o r k . The n e w reusable Nalgene Filter Holders have more of the features y o u need: Π Available w i t h either receiver or funnel Π Funnel Conversion Assembly available for easy s w i t c h i n g from receiver t o funnel Π Easy t o use for either vacuum or pressure applications Π T w o membrane support plates w i t h each holder—one for analysis w o r k , the other for sterilization Π Rugged polysulfone construction t h a t w i l l w i t h s t a n d far more autoclave cycles t h a n polycarbonate
Π Snap-open design for quick and easy membrane retrieval Π Presterilized, preassembled design that saves time and work D Cellulose nitrate membrane for superior recovery of micro organisms. Your choice of 0.20-, 0.45- or 0.65-micron pore size. The 0.45- micron pore size is certified for w a t e r quality w o r k t o meet EPA requirements. Also available separately: Nalgene Membrane Filters, in six pore sizes, including 0.45 micron. Order Nalgene filtration products only from authorized Nalgene Labw a r e Dealers. For more information, contact us: Nalgene Labware Depart ment, Nalge Company, Box 3 6 5 , Rochester, N e w York 14602, Tel. (716) 5 8 6 - 8 8 0 0 , Telex 97-8242.
The disposable Nalgene Analytical Filter U n i t gives y o u :
Analytical Filter Unit and Filter Funnel, H5'mL Cat. No. 130-4045, Cat. No. 140-4045
Nalge
Reusable Filter Holder with Receiver or Funnel, 250 mL "at No 300-4000,Cat. No.330-4000
KMaswai
CIRCLE 155 ON READER SERVICE CARD
