HNB Trade Seal 25–32mm
A flexible sealing ring designed for medium-sized pipe or conduit penetrations. Made entirely of flexible material for both collar and base, it ensures a reliable, air-tight seal on various surfaces, including uneven or irregular ones. Ideal for HVAC, refrigeration, electrical conduit, and ventilation systems.
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Suitable for 25–32mm pipes or conduits
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Fully flexible collar and base for effective sealing
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Prevents air leakage, dust, and moisture ingress
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Easy to install with strong adhesion to different surfaces