Kudos-Trading - Fernox F4 Leak Sealer 500ml Liquid Seal for Central Heating Pipe Work Leaks Water Underfloor Heating Non-Corrosive Non-Toxic Compatible with Most Heating Systems Long-Lasting Seal
LavaTap – Fernox Water Hawk 400 g Jointing Compound, WRAS Approved Leak Sealer & Water Sealant for Plumbing, Gas Lines & Potable Water – Professional Non-Toxic Plumbers Paste & Pipe Thread Sealant
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