Ecodora Hose Reels For Diesel or Biodiesel up to B30 B100. Ecodora Hose Reel For Diesel 540 and 560 series suitable with diesel or biodiesel up to B30 self retracting. steel construction, powder coated finish. Ecodora Stainless Steel Hose Reel 544 series suitable with diesel or biodiesel up to B100. 304 stainless construction. Self retracting, for use in harsh or clean environments.