Product description WC Net Professional Drain Unblocker with biological ingredients has 2 essential functions. - Immediate action: quickly removes bad odours and spreads a fresh sea scent - Lasting action: with weekly use, the biological ingredients remove residues, clean the pipes, and prevent the return of bad odours and residues. Formula with biological ingredients, safe for your pipes. For all types of pipes, including plastic. Sink - Washbasin Bathroom - Shower Contents: 1000 ml Seen it cheaper elsewhere? Fill in the form with your details and a link to the website where you saw the product cheaper. Seen cheaper