A Corsi-Rosenthal box kit gives you the same proven high-airflow design without the trip to a hardware shop or the raw box-fan noise. The Luggables range is a ready-to-run take on the CR box: a balanced fan array over MERV-13 media in a case that looks at home in a living room and runs under 40 dB.
Luggable Ultra (5-Fan)
369 m³/h CADR · bedrooms & medium rooms (~450 sq ft) · MERV-13
10% off with STAROFFER
View →Luggable XL Ultra (7-Fan)
681 m³/h CADR · large & open-plan (600–750 sq ft) · MERV-13
10% off with STAROFFER
View →Luggable Carbon (4-Fan)
MERV-13 + activated carbon · odours, VOCs, kitchens
10% off with STAROFFER
View →Ready to clean up your London air?
Luggable MERV-13 kits deliver up to 681 m³/h CADR — built on the Corsi-Rosenthal principle, from £229. Ships from Oxford in 2–3 days.
Shop the UK store → See all kitsKit vs full DIY
Full DIY is cheapest (£60–£120) and satisfying, but it's a cardboard cube with a loud box fan. A kit costs more upfront yet arrives quieter, tidier and pre-balanced, with standard replaceable MERV-13 filters — no proprietary cartridges. If you want the CR-box performance without the CR-box look, a kit is the answer.
Frequently asked questions
What's the difference between a kit and DIY?
Same high-airflow physics; the kit is pre-built, quieter, tidier and uses standard replaceable MERV-13 filters. DIY is cheaper but bulkier and louder.
How long do the filters last?
Roughly 6–12 months for MERV-13 media, sooner in a dusty or high-traffic London location.