Check the listing for details. NIC-BLOCK Cigarette Filters Bulk Economy Pack 300 + 150 FREE BONUS FILTERS TIPS. Condition: New. Listed at 16.35 USD. NIC-BLOCK Cigarette Filters Bulk Economy Pack 300 + 150 FREE BONUS FILTERS ** LIMITED TIME OFFER ** REMOVES ADDICTIVE TAR & NICOTINE The best part removes addictive Tar and Nicotine without affecting taste. The mechanical filters are clear so you can see progress from your very first cigarette. NIC-BLOCK Filters make cigarettes less harmful and then it is much easier to break your difficult addiction to Nicotine completely and without a lot of effort.8 Hole Top Quality FiltersDO ONLY WORK WITH REGULAR CIGARETTES NOT SLIM ONESNIC-BLOCK Cigarette Filters Bulk Economy Pack 300 + 150 FREE BONUS FILTERS ** LIMITED TIME OFFER ** REMOVES ADDICTIVE TAR & NICOTINE The best part removes addictive Tar and Nicotine without affecting taste. The mechanical filters are clear so you can see progress from your very first cigarette. NIC-BLOCK Filters make cigarettes less harmful and then it is much easier to break your difficult addiction to Nicotine completely and without a lot of effort.8 Hole Top Quality FiltersDO ONLY WORK WITH REGULAR CIGARETTES NOT SLIM ONES