Plus: The best things from IKEA, how to brush your dogâs teeth, and more [How to spot a fake N95, KN95, or KF94 mask]( [An array of face masks.]( Sarah Kobos At best, a counterfeit mask is a waste of money. At worst, it gives those who need protection the most a dangerous false sense of security. The best way to find legitimate masks is to buy those made by reputable manufacturers and sold by trusted retailers. But for those times when you’re left with a pile of masks that you’re uncertain about, here are [12 red flags that might indicate your N95, KN95, or KF94 is not up to standard](. Editor’s note: We’re taking a break tomorrow, but we’ll be back in your inboxes on Tuesday. When you buy through our site, we may earn an affiliate commission. [Learn more âº]( New picks [The best drill bit set]( If you have a drill, you should also have a comprehensive drill set. It doesn’t matter if you own a home or rent an apartment—a wide variety of drill and driver bits will carry you through any number of home renovation projects, from assembling furniture to fixing a broken window. After new tests, we now recommend [Ryob]( 300-Piece Drill and Drive Kit](. The [95-Piece Drill and Impact Drive Kit]( is our runner-up. Ryobi’s 300-piece kit offers the greatest selection of useful bits and accessories in a well-organized case. It has a broad range of bits and plenty of duplicates of the most-used size. Alternatively, if you’re looking for a bare-bones kit that should suffice for the most basic projects, the 95-piece set includes a smaller selection of the essentials. Read more in [our guide to the best drill bit set](. [More this week]( [A disassembled bug out bag.]( [Essential supplies to keep in your emergency bag]( In the event of an emergency, it’s essential to have a go bag fully stocked with basic survival tools. Rather than getting a preassembled bag, we recommend [customizing your own](. [Several smart plugs plugged into a power strip.]( [An easy way to smarten up any device]( Insert a smart plug into any outlet, add your electrical device, and set it up with an app. Et voilà!—[your device now has smart functionality]( and can be controlled, scheduled, and automated. [The Our favorite things from IKEA.]( [Our favorite things from IKEA]( From the storage boxes in our sock drawers to the sofas in our living rooms, our homes are decked out in IKEA furniture. [Here are the 21 items our staffers use the most](. [An assortment of pet dental hygiene products, including brushes, dental treats and toothpaste, in front of a pet carrier bag.]( [How to brush your dog’s teeth]( To keep your pup’s mouth free of dental disease, you should set aside at least 5 minutes a day to brush their teeth. [Here are all the supplies you’ll need](. [This week’s best deals]( [The EarFun Free 2 Wireless Earbuds.]( [EarFun Free 2 Wireless Earbuds]( [Deal price: $32]( | Street price: $50 Use promo code EFREEWC14 + clip on-page coupon In this price range, it’s rare to find earbuds that have as many premium features as the EarFun Frees do. These wireless earbuds have a full control suite, a clear microphone, and impressive dust resistance and water resistance. We also like the small, Qi-compatible wireless charging case, which offers seven hours of play time on a full charge. [Buy now from Amazon]( [A person wearing the 32 Degrees Menâs Lightweight Baselayer Crew Top.]( [32 Degrees Men’s Lightweight Baselayer Crew Top (four for $26)]( [Deal price: $26]( | Street price: $80 Use promo code SLICK24 for Free Shipping If you’re doing any outdoor activity during winter, you should wear base layers. They go under your sweaters and pants to keep you warm and regulate your heat. The 32 Degrees Lightweight Baselayer Crew Top is a comfortable and inexpensive option. It’s made from a blend of fabrics that are soft and form-fitting without being too tight, so it can transition from outdoor to indoor wear with ease. [Buy now from 32 Degrees]( [The Waterpik ION Professional (Black).]( [Waterpik ION Professional (Black)]( [Deal price: $85]( | Street price: $93 Although there’s no evidence that water flossers work any better than traditional floss, many users simply like the way the water jets feel between their teeth. Some find the wand easier to work with than a piece of string. A slightly smaller and boxier variant of our top pick, the Waterpik ION Professional holds 23 ounces of water (enough for two full cleanings), comes with multiple flossing heads, and features a cordless rechargeable battery. We think the ION is great for bathrooms that have few outlets and scant counter space. [Buy now from Amazon]( [View email in browser]( You are receiving this email because you signed up for Wirecutter’s Newsletter. Getting too many emails from us? To stop receiving these, [unsubscribe here](. ⨠Wirecutter, Inc. 620 Eighth Avenue. New York, NY 10018â¨â¨ [Privacy Policy]( | [California Notices]( | [Terms of Service]( [Contact Us]( [Privacy Policy]( [California Notices]( [Terms of Service]( [Contact Us](