Whatman Syg FLT25MM .45U Gmf Str PK50 Syg FLT25MM .45U Gmf Str PK50. It is most commonly used in the collection of stray light from optical fibers cables etc. in and around the eye. During development the Flt which is filled with dye impervious to acids and bases was used in gas and oil sensitization studies. This particular Flt which is filled with dye is used in the collection of stray light to counteract the effects of light scattering. The purge gas in the used gas mixture causes a corresponding decrease in the size of the light spectrum. The larger the diameter of the light source the higher the intensity of the produced light. Specifications for Whatman Syg FLT25MM .45U Gmf Str PK50 6902-2504 Syg FLT25MM .45U Gmf Str PK50: Description: SYG FLT25MM .45U GMF STR PK50 Unit: Pack of 50 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Whatman products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Filters with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Whatman Filters. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the Whatman Syg FLT25MM .45U Gmf Str PK50 Syg FLT25MM .45U Gmf Str PK50 6902-2504/ 28138-408 we carry a full complement of Filters as well as other product offerings from Whatman. We also carry a full line of Whatman accessories to help meet your laboratory and scientific needs. For a complete selection of Whatman Filters please visit our Whatman page. For more brand name Filters please visit our Filters store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Whatman Syg FLT25MM .45U Gmf Str PK50 6902-2504 Syg FLT25MM .45U Gmf Str PK50