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£79.00 Ex VAT
Backflow prevention valve for 110mm (DN100) pipe. This valve prevents backflow automatically and meets EN13564-1:2001.
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£94.00 Ex VAT
Drainage anti-flooding blocks or Graf Flood Attenuation Bloc with larger capacity for rapid drainage of land. Surface water is diverted or soaks down into weight resistant crates and from there dissipates into the lower ground clearing water quickly from the surface. HGV load quality and used for drives, carparks, pitches, lawns and areas prone to localised flooding
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