NF Top Filter (B - 3 layer slim) 4ft (ND) by NF Sold out $80.00 | / SKU NFTFB04 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Chat with us Success! We will notify you when stocks are back! There was an error signing up for restock notifications. Please try again. Out of Stock? Leave your Email and we will let you know when it restocks! Notify Me!