Bio-Store › UV Angel Air - Recessed Hard Ceiling Kit [Request Custom Pricing] Image 1 of 1 UV Angel Air - Recessed Hard Ceiling Kit [Request Custom Pricing] $0.00 UV Angel Air - Recessed Hard Ceiling Kit for UV-Angel Air Treatment System - a kit to recess into a drywall ceiling. Add To Cart Added! UV Angel Air - Recessed Hard Ceiling Kit for UV-Angel Air Treatment System - a kit to recess into a drywall ceiling.