For over 30 years Valterra has been a leading supplier of branded products for the recreational vehicle, pool and spa, and plumbing industries worldwide.• Bio/Chemical Type: Biological• Formaldehyde: No• Deodorant/ Scent: Wintergreen• Tank Size: 40 Gallon• Unit Size: 32 Ounce• Unit Type: Bottle• Unit Quantity: Single• Packaging Language: English Accepted At All Campgrounds & Enhances Septic Tanks Eco-Friendly | Valterra Waste Holding Tank Treatment