Astro Framevent Hi-Flow (Trickle Vents)
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The Astro Framevent Hi-Flow is a high-performance window trickle vent designed to provide controlled background ventilation while maintaining a clean aesthetic. It allows fresh air to enter a room without needing to open windows fully, supporting indoor air quality and reducing condensation.
- High airflow performance in a compact profile
- Designed for use in timber, aluminium, and uPVC window systems
- Complies with UK building regulations for background ventilation
- Clip-on fixing for fast, simple installation
- Durable plastic construction with colour-matched finishes
- Integrated flyscreen to reduce dust and insect ingress
Ideal for residential and commercial window installers seeking a discreet yet effective background ventilation solution.
Shipping & Returns
WHY CHOOSE PREMIER?
40+ Years of Trust
With over 40 years of combined experience, our team has been trusted by domestic and commercial customers across the UK. We work with fully certified, highly skilled independent installers - including those with FIRAS and BM Trada credentials -to deliver fire door sets you can rely on. Every product and service is backed by decades of hands-on expertise and a commitment to high-quality results.
No Quibble Returns
We want you to feel 100% confident when ordering with us. That’s why we offer No Quibble Returns on all eligible items.
- Items must be in original packaging, and in the same condition you received them.
- Bespoke or made-to-order items are non-refundable.
- Simply email us at sales@activefiresafety.com to request your return.
- We’ll send you a return label and instructions - we make it easy.
- Refunds are processed once your item is received and approved.
For more information, visit our Refunds & Returns Policy
Real Human Support
We get it! There’s nothing worse than needing help and only getting AI bots or auto-replies.
When you contact us, you’ll speak to a real person who knows fire safety and actually wants to help.
Whether you’ve got questions before buying or need support after your order, we’re here every step of the way. No ticket numbers, no frustrating loops, just real answers.
Straightforward Shipping
Shipping costs are clearly shown before you checkout. We work with trusted couriers to ensure smooth and fast trackable delivery straight to your door.
