How do you know which product needs which type of of sprayer head? Standard or Chemical Resistant 
Or would it just be wise the to get the chemical resistant one? Right now on sale they are only $.54 more than the standard sprayer from ADS, normally they are $1 more.
Thanks

Or would it just be wise the to get the chemical resistant one? Right now on sale they are only $.54 more than the standard sprayer from ADS, normally they are $1 more.
Thanks
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