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RVE 80 – Helios – In-duct Back Draught Shutter, Air Tight

4.71 out of 5 based on 70 customer ratings

$ 50.18

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RVE 80 – Helios – In-duct Back Draught Shutter, Air Tight By simply inserting it into ventilation pipes, ideal for retrofitting. Plastic ring with all-round double lip seal and tight-fitting rubber membrane that opens when there is negative or positive pressure. Supplied with two membranes for different flow rates. With horizontal flow, the positioning of the web that holds the rubber membrane must always be vertical. Temperature range from -20 to 90 ° C. Product PDF: RVE

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Double Guarantee!

  • Money-Back Guarantee:  The proof of comfort comes from using your Feathersprings and experiencing relief. You have a full year to try your Feathersprings. If you’re not 100% satisfied, simply return them within your trial for a full refund of the purchase price. (Shipping and handling charges are non-refundable.)
  • Lifetime Guarantee:  If the metal portion of your Feathersprings should ever break from normal use, and parts have been maintained, then we’ll replace your Feathersprings one time free of charge. It’s important to note, research has shown that feet change size about every ten years. So for the purpose of healthy feet, the Lifetime Guarantee is defined as 10 years. To properly maintain your Feathersprings and to ensure proper flex and support, metatarsal cushions and shoe protectors must be replaced regularly. Lifetime Guarantee requires you change metatarsal cushions every 3-6 months and shoe protectors every 6-12 months. (Damaged Feathersprings must be returned for free replacement.)

Your purchase price is for one pair of Featherspring™ shoe inserts.

NOTE TO DIABETICS: If you’re a diabetic, we recommend adding a Padded Covering to your Featherspring™ Foot Supports. RVE 80 – Helios – In-duct Back Draught Shutter, Air Tight

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