TAYLOR MCLURE Drain Zyme (Enzyme Drain Cleaner and Degreaser)
Power Gel | Mr Muscle
Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Drain Gel, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack (2 x 500ml) : Amazon.co.uk:
DRAIN CLEANER ACID 1 LITRE >18'S TRADE USE ONLY (NOT RED) - Twiggs
Knock Out Biological Drain Treatment, 1 Litre
Pathways Drain Treatment | Ecolab
Instant Power Powerful Liquid Drain Cleaner for Bathroom Use - 20x More Effective than Common Openers - Dissolves Hair and Melts Grease - Safe for Septic Tanks in the Drain Cleaners department