Royal Robbins - Spotless Evolution Tank. Color Asphalt Elkhorn Print. Low Stock. On sale for $64.08. MSRP $72.00.. 5.0 out of 5 stars3 left in stockBrand NameRoyal RobbinsProduct NameSpotless Evolution TankColorAsphalt Elkhorn PrintPrice$64.08MSRP: $72.00