19 5/8" x 29 5/8" x 1" MERV 11 - Ultra Allergen Reducing Pleated Air Filter - 6 Pack MERV 11 - Pleated Air Filter:19 5/8" x 29 5/8" x 1" MERV 11 - Pleated Air Filter 19 5/8" x 19 5/8"
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![Noncovalent Binding between Guanidinium and Anionic Groups: Focus on Biological- and Synthetic-Based Arginine/Guanidinium Interactions with Phosph[on]ate and Sulf[on]ate Residues](https://pubs.acs.org/cms/10.1021/cr040603j/asset/images/medium/cr040603jf1.gif)




