Profile: Ethylene Control, Inc. produces filtration systems, filters and sachets. Our EC-3+ system will reduce ethylene levels up to 98.9 percent to reduce shrink and extend shelf life. Our 7" x 18" x 2" filters and the 2 lb bag filter are ideal for floral, supermarket and food service walk-in coolers, refrigerated trucks & containers including small cold storage rooms up to 3,000 cubic feet.