Instant Power 1503 Orange Disposal and Drain Cleaner, 1 Litre : Amazon.co.uk
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:
One Shot Drain Cleaner 1LTR
DrainKlenz - Concentrated Drain Cleaner
GreaseEater: Natural Drain Unblocker Treatment
DRAIN CLEANER ACID 1 LITRE >18'S TRADE USE ONLY (NOT RED) - Twiggs
DRAIN ZYME (Enzyme Drain Cleaner) - 5 Litres
Sink and Drain Unblocker Super Strong Formula Cleaner 1 Litre Quick Drain Opener