20410 Oatey Hercules Glug Drain Opener,20 oz Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: OAT20410 Qty On Cart Features Non-acid crystals clear sluggish drains and prevents clogs. Harmless to most metal and plastic pipe, valves and fittings. Features Back FeaturesNon-acid crystals clear sluggish drains and prevents clogs. Harmless to most metal and plastic pipe, valves and fittings.