Premium 12x40 Coconut Shell Activated Carbon Charcoal - Resealable Bulk 1 lb. Bag (455 grams) Free Shipping - Usually Ships Out Same Day if Ordered M-F Before 2PM (PST)Free Shipping - Usually Ships Out Same Day if Ordered M-F Before 2PM (PST) High Activity - Low Dust Forming Properties Works Great for Filtering Out Odors and Foul Taste from Drinking Water. Large and Extensive Internal Pore Structure NSF Std. 61 - AWWA B604-05 Standard - Rated for Food Grade Applications