Royal Robbins - Spotless Evolution Tank. Color Asphalt Elkhorn Print. Low Stock. On sale for $48.24. MSRP $72.00.. 5.0 out of 5 stars4 left in stockBrand NameRoyal RobbinsProduct NameSpotless Evolution TankColorAsphalt Elkhorn PrintPrice$48.24MSRP: $72.00