If you have vermin in your drains, you need to eliminate their means of entry into your property by means of a Hamelin Ratblocker, installed in minutes.
The Hamelin Single Flap Ratblocker in 4″ / 100mm is a robust device which securely fits inside your drain, enabling rodents to escape but not re-enter thanks to the ingenious one way flap construction.
Made from 1.5mm thick stainless steel grade 304-2B
Signature hinge system maximises drainage space whilst giving rodents no entry to the property through the drainage system
Multidirectional application – can be installed in either outlet or inlet position with pre-drilled holes for M10 bolt (supplied)
Adjustable corner points for optimum fit and grip inside the drain, lessening the chances of a blockage.
For deeper or inaccessible installations simply attach a fitting pole to the bolt.
Simple installation and minimal maintenance required, all fixings required are included.
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