B Ben Premium Member Nov 22, 2013 #3 Depending on how many you need I may have a few spare. I got mine from china.
J jdthomas24 Nov 26, 2013 #4 i get mine from chicago sensor and at least 10 at a time. No matter what you buy, they need to be changed every 6 months or so... they all fail at some point.
i get mine from chicago sensor and at least 10 at a time. No matter what you buy, they need to be changed every 6 months or so... they all fail at some point.
S SGT_York Nov 27, 2013 #5 BRS going strong for nearly 2 years knock on wood. Regular cleaning with freshwater helps a lot.
R reeferwanabe Nov 27, 2013 #6 Hmm, never thought I need to clean them. Been going strong for a year now, without cleaning. ~Matt