Kidde Fyrnetics Firex Mains wired KF20R Smoke Detector with Rechargeable Lithium Battery
- Optical Smoke Detector
- Interconnect-able
- Rechargeable Lithium Battery
- Mains powered
£44.03 Regular Price Special Price Excl. VAT £29.17
£35.00 Incl. VAT
Optical: These are more expensive but more effective at detecting larger particles of smoke produced by slow-burning fires, such as smouldering foam-filled upholstery and overheated PVC wiring. They are marginally less sensitive to free burning flaming fires.