The Doff DOFNAB50 Super Strength Path Patio and Decking Cleaner Concentrate gives visible results in just 1-2 days, with the cleaning process lasting 2 weeks. No scrubbing and no rinsing is required – simply apply and walk away.

Results may last for up to 1 year.

Contains: Benzalkonium Chloride.
Size: 2.5 litre.