Neumann GKH 420 BGKH 420 B by Neumann Save Liquid error (snippets/product-badge line 32): Computation results in 'NaN' (Not a Number)% $0.00 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Neumann GKH 420 BGKH 420 B