Rotationally Molded II - RM 450/590/730/1000 Download Specifications The overwhelming success of the RM 250 and 350 in both performance and economy has led to the next logical generation: the Rotationally Molded II. The larger 5-foot diameter version inherits all the features that made the original so popular, but with greater capacity and more options. Now, companies requiring more filtration capacity than what was offered by our original model can enjoy the same cost and maintenance benefits. Key Advantages Increased size and capacity and lightweight construction. Like the RM250, no roof support reinforcement or structural supports are required. The resulting savings may pay for the unit.   No painting required.   Completely prewired - saves installation and wiring time and expense. Included in warranty package.   Easy filter access - saves cleaning and replacement time and hassle.   Choice of pleated or standard bags, depending upon the product being filtered. Body for 8' or 10' bags can be done. Product Design Features Low density rotationally molded polyethylene body is rated for service from -20 to 250 degrees F.   Four filter configurations provide 16, 21, 26 or 37 filters for air flows from 1,500 to 5,000 CFM.   Corrosion resistant polyethylene bin vent features 1/2" wall thickness with molded flanged body sections.   Lightweight components, completely assembled - industry standard powder coated metal or stainless steel.   Four or five valves with row pulse cleaning and solid state on-demand timer.   Five foot diameter body.   Single row pulsing limits back flow of air during cleaning.   Snap band top load filters for easy access and minimal maintenance.