Product Description Formalin is widely used as a disinfectant, antiseptic and a fixative for histology. Due to its high volatility, formalin has a strong, irritating odor that causes discomfort to the user. Laboratory applications involving this noxious chemical can now be accomplished safely and economically with Esco Ascent Opti Formax (SPF). This ductless fume hood can remove noxious odor and has a built-in formalin dispensing unit. Each SPF ductless fume hood comes standard with 1 x Base Cabinet with castor wheels 1 x Swan-neck Formalin Faucet 1 x Foot Switch 2 x Carboy (for Formalin) 1 x SS Drain Pan 1 x SS Worktop Features Formalin Service fixture and foot switch Provides easy and safe formalin dispensing Double-hinged sash mechanism with arm ports sash with 13 sloping to help minimize glares and reflections allows easy access to work zone without risking exposure from chemical fumes allows higher sash opening for effortless cabinet loading Filtration System Main Filter: Nanocarb Activated carbon, Type F Efficient perimeter clamping ensures no leakage as well as allows easy filter change procedure. Models Item Code Model Code Description 220-240 VAC, 50 Hz 2040217 SPF-3A1 Ascent Opti Formax, 3ft/0.9m 2040221 SPF-4A1 Ascent Opti Formax, 4ft/1.2m 2040219 SPF-3B1 Ascent Opti Formax with Transparent Back Wall, 3ft/0.9m 2040223 SPF-4B1 Ascent Opti Formax with Transparent Back Wall, 4ft/1.2m 110-120 VAC, 60 Hz 2040218 SPF-3A2 Ascent Opti Formax, 3ft/0.9m 2040222 SPF-4A2 Ascent Opti Formax, 4ft/1.2m 2040220 SPF-3B2 Ascent Opti Formax with Transparent Back Wall, 3ft/0.9m 2040224 SPF-4B2 Ascent Opti Formax with Transparent Back Wall, 4ft/1.2m 220-240 VAC, 60 Hz 2040276 SPF-3A3 Ascent Opti Formax, 3ft/0.9m 2040278 SPF-4A3 Ascent Opti Formax, 4ft/1.2m 2040277 SPF-3B3 Ascent Opti Formax with Transparent Back Wall, 3ft/0.9m 2040279 SPF-4B3 Ascent Opti Formax with Transparent Back Wall, 4ft/1.2m #gap-153220489 { padding-top: 30px, }