Corsi-Rosenthal Box Cardboard Shroud

Why this is here

Why this product

This cardboard shroud integrates well with the DIY Box Fan Air Purifier Components vibe by offering an inexpensive structural element for homemade purifiers.

Curated by Kitchen Bench

About this shop: BUILD DIY AIR PURIFIER USING COMMON BOX FAN AND PLEATED FILTERS

This setup is ideal for anyone concerned about airborne particles, allergens, or viruses in their home, office, or classroom. It's perfect for students, renters, or those on a budget who want to take control of their air quality without investing in expensive commercial units.

What's included

• Corrugated cardboard material
• Pre-cut shape for CR box
• Lightweight and disposable
• Aids in filter alignment
• Simple to assemble

Where to buy

Links verified June 16, 2026

Part of these shops

More from BUILD DIY AIR PURIFIER USING COMMON BOX FAN AND PLEATED FILTERS

Box Fan Air Filter Bracket Set

$10–$20

FPR 10 Rated Pleated AC Furnace Filter

$15–$25

Multi-Surface Heavy Duty Duct Tape

$8–$15

MERV 13 Pleated Air Filter 20x20x1

$40–$60

20 Inch 3 Speed Box Fan

$25–$40