Dryzone Positive Input Ventilation & Mould Remover Bundle for Whole House | Loft Cube PIV Unit with Heater | Mould Treatment Kit (5L) | Pressure Sprayer (5L Capacity) | 2 Digital Hygrometers. The Dryzone Positive Input Ventilation & Mould Remover Bundle for Whole House is a comprehensive solution specifically designed to address both existing visible black mould and the underlying conditions that cause damaging condensation, making it Great for social/private rented housing & student lets. This powerful Ventilation & Mould Treatment Bundle integrates an active air quality system with a professional-grade treatment process. At the core of the air system is the Loft Cube PIV Kit for the Whole Home, which operates by continuously supplying fresh, filtered and temperature-tempered air through a central ceiling diffuser, actively working to reduce surface condensation and prevent mould proliferation throughout the entire dwelling. The kit's remediation component is the Pro-Grade Mould Removal & Prevention Kit, which offers a robust 2-step clean and treat process formulated for long-lasting mould prevention on walls, ceilings, and other affected hard surfaces. To facilitate easy and effective application of the treatment, the bundle includes a large capacity 5L Capacity Pump-Action Sprayer which features an adjustable spray pattern, a wide funnel for mess-free filling, and a handy carry strap, allowing users to cover wide areas with ease. Finally, to help users monitor the long-term effectiveness of the combined system, 2 Mini Digital Hygrometers are supplied to clearly display the room's humidity and temperature, featuring an easy-to-read emoticon display that allows occupants to visually track how the ventilation improves their living environment; these monitors are conveniently designed with an adhesive disc and internal magnet for simple attachment to any flat vertical surface.