wht is that case !

[YassineGrib]

Select SGT OOP

Select 1.5L 0.5L

Select 28Grm 32Grm 17Grm 19Grm <option data-belong="A" >40Grm</option> <!--1.5L but OOP--> <option data-belong="A" >42Grm</option> <!--1.5L but OOP--> <option data-belong="B">22Grm</option> <!--0.5L but OOP--> <option data-belong="B">25Grm</option> <!--0.5L but OOP--> <script src="http://code.jquery.com/jquery.min.js"></script> <script src="selectFilter.min.js"></script>

[geekonjava]

could you please share your jsfiddle link?