<https://drummersparadise.com.au/products/evans-eq3-clear-20-bass-drum-head#product>
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"Evans EQ3 Clear 20\" Bass Drum Head\nAt Drummers Paradise we have a great range of Evans drum heads, available both instore and online through our webstore!\nFeaturing two plies of 6.5mil film for a controlled low-end rumble and focused attack, the articulation and endurance of the Evans Clear EQ3 is guaranteed to liven up your live playing.\nFeatures\n\nMade using two plies of 6.5mil film\nFeatures an internal overtone control ring and a removable muffle ring\nVery versatile head for all music genres; a true working drummer's choice\nAlso available in a frosted version\n\nAll Evans drum heads are designed, engineered and manufactured in the USA.\nImage is for illustrative purposes only."
<https://drummersparadise.com.au/products/evans-eq3-clear-20-bass-drum-head>