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Part Number	Name	Description	Shelf-Pack Qty	Case Qty	Case Price, USD	Quantity	Add to Cart
41901R-22	Key-Head Color-Coded Medium Length Solid PTFE Stopper	Size 22 Yellow PTFE Key-Head Stopper. Approx. diameter at large end 22.05mm, Length of ground zone 20.5mm	1	1	$81.50
41901R-19	Key-Head Color-Coded Medium Length Solid PTFE Stopper	Size 19 Green PTFE Key-Head Stopper, Approx. Diameter at Large End 19.7 mm, Length of Ground Zone 17.0 mm	1	1	$84.63
41901R-32	Key-Head Color-Coded Medium Length Solid PTFE Stopper	Size 32 Grey PTFE Key-Head Stopper, Approx. Diameter at Large End 38 mm, Length of Ground Zone 31.0 mm	1	1	$157.72

RAY-SORB® processed to protect materials sensitive to the light of shorter wavelengths

· Less than 1% transmission below 400 nm and approximately 5% transmission from 400-600 nm

· Without a capacity scale

· Standard Taper PTFE stopper is supplied with the flask

· Replacement stopper is 41901R

· Designed from ASTM Specification E1404, Type II, Class II requirements

· Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements and then RAY-SORB® processed