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December 12th, 2009 9:20 PMReport | ||
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I believe its two years but you have to check for leaks frequently so that its effectivity wont be compromised. |
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December 13th, 2009 2:18 AMReport | ||
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i thought it was every couple of months. |
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December 13th, 2009 10:46 AMReport | ||
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there are different types of diaphragms made from different sort of materials. the latex kind lasts a long time so long as its cared for and checked for holes every now and then. |
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December 17th, 2009 10:37 AMReport | ||
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yes, there are charges and some diaphragms can be changed every two years. |
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