£20.29
Timeguard TGBT4N 'BoostMaster' Countdown Run Back Time Switch Boost 4 Hour
View at Amazon.co.uk
£20.89
Electronic Boost Timer 1 Hour to 4 Hour
Follow link
£19.90
Timeguard Sure Time 2 Hour Electronic Boost Timer
View at Amazon.co.uk
* This site contains affiliate links for which DIYnot.com may be compensated.
