Sentinel X100., in Gateshead, Tyne and Wear

Sentinel X100, the seal still on it so never been used. Bought it a few months but no longer needed now. Worth about £14 brand new, a bargain at £5.
Sentinel X100, the seal still on it so never been used. Bought it a few months but no longer needed now. Worth about £14 brand new, a bargain at £5.

Sentinel X100 System Inhibitor, Nightstor

Sentinel X100 Inhibitor 500ml Prevents Limescale and Corrosion Super Concentrate Inhibitor for Central Heating Systems : : DIY & Tools

Sentinel X100 Inhibitor 1L Protect Central Heating System Cleaner - Greener Living Trade

Gateshead, Tyne & Wear – St Edmund

Tyneside in 1998: From the Angel of the North to a Wembley cup final in 10 photographs - Chronicle Live

Sentinel x1000, in Boldon Colliery, Tyne and Wear

X100, Central Heating Inhibitor

036181:Nos 131/133/135 Parker Street Byker Dept of Environmental Health 1963

Sentinel X100 System Inhibitor 1L

X100, Central Heating Inhibitor

X100, Central Heating Inhibitor

X100, Central Heating Inhibitor

X100, Central Heating Inhibitor

Sentinel X100 Inhibitor 500ml Prevents Limescale and Corrosion Super Concentrate Inhibitor for Central Heating Systems : : DIY & Tools