Glass In-Stack Filter Assemblies

The Apex Instruments GFA-2590 Thimble Holder is constructed completely from borosilicate glass for use with Conditional Method for Ammonia (CTM-027) and accepts tapered 25 x 90mm thimbles, specifically manufactured for stack sampling. Does not require O-Rings or grease, for testing at higher temperatures. The borosilicate glass withstands temperatures up to 480°C (900°F).

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Product		Description
	GFA-2590B	Filter body, glass, for GFA-2590 filter assembly, 5/8-inch shank	Max: Min: 1 Step: 1	Add to Quote
	GFA-2590N4	Glass in-stack filter nozzle insert, 1/8-inch, for GFA-2590	Max: Min: 1 Step: 1	Add to Quote
	GFA-2590N5	Glass in-stack filter nozzle insert, 5/32-inch, for GFA-2590	Max: Min: 1 Step: 1	Add to Quote
	GFA-2590N6	Glass in-stack filter nozzle insert, 3/16-inch, for GFA-2590	Max: Min: 1 Step: 1	Add to Quote
	GFA-2590N7	Glass in-stack filter nozzle insert, 7/32-inch, for GFA-2590	Max: Min: 1 Step: 1	Add to Quote
	GFA-2590N8	Glass in-stack filter nozzle insert, 1/4-inch, for GFA-2590	Max: Min: 1 Step: 1	Add to Quote
	GFA-2590N9	Glass in-stack filter nozzle insert, 9/32-inch, for GFA-2590	Max: Min: 1 Step: 1	Add to Quote
	GFA-2590N10	Glass in-stack filter nozzle insert, 1/8-inch, for GFA-2590	Max: Min: 1 Step: 1	Add to Quote
	GFA-2590N11	Glass in-stack filter nozzle insert, 11/32-inch, for GFA-2590	Max: Min: 1 Step: 1	Add to Quote
	GFA-2590N12	Glass in-stack filter nozzle insert, 3/8-inch, for GFA-2590	Max: Min: 1 Step: 1	Add to Quote

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