Checkout Spectrum’s newest inventory of laboratory supplies—from glass serum bottles & cell freezing containers, to prepared plated media & graduated funnels. As a leading distributor of lab supplies, Spectrum is committed to helping scientists increase productivity. Choose from our new selection which includes vials with black caps to eliminate the need for crimping or de-capping; snap-on & straight wall stoppers available in various colors & materials; as well as PCM filters designed for asbestos sampling. We also carry amber safety-coated bottles, angled bottled rests, aluminum sealing films, adjustable tube rack stands, and many other new products. When working in the chemical or pharmaceutical industries, the right supplies are critical.