The Black Friday promotion runs from November 9 through December 5, 2026, ending at 11:59 p.m. in the store's local time zone. All promotional offers are valid during this period unless otherwise specified.

Get the PTH-24E Plug-in CO & Gas Detector for $34.99 (50% OFF) its regular price of $69.99. No discount code is required. The promotional price is automatically applied.

Special bundle pricing is available on selected best sellers:

• PTH-282B+: 2-Pack – $109.00
• PTH-10E (Single Display): 2-Pack – $99.00
• PTH-10D+: 2-Pack – $89.00
• PTH-28B: 1 Unit – $84.99
• PTH-253C: 3-Pack – $139.99
• PTH-252B: 3-Pack – $139.99
• PTH-9C: 2-Pack – $74.99
• PT20A: 3-Pack – $89.99

Each offer is valid for seven consecutive days from its activation date. Prices shown are for the complete bundle, not individual units.

Reserve one free gift in the cart from the options unlocked below. The gift is added to your order after payment and eligibility verification:

• Spend $149 or more: Choose one PTH-24D.
• Spend $249 or more: Choose one PTH-24D or PTH-10C.
• Spend $349 or more: Choose one PTH-24D, PTH-10C or PTH-26D.

Choose one gift in the cart. Your selection is saved with the order; after payment, eligibility and stock are checked and one gift is added at 100% discount. The gift does not appear as a checkout item. Qualifying spend is after product and bundle discounts, before discount codes, excluding gifts, gift cards, shipping and taxes. If the cart tier changes, an invalid selection is cleared and you may choose again.

Special Black Friday pricing is available on selected products:

• PTH-256L: $34.99
• PTH-256M: $44.99
• PTH-256M with Aluminum Stand: $54.99
• PTH-24D: $25.99
• PTH-26D: $34.99
• PTH-253D: $56.99
• PTH-252A: $34.99
• PTH-10C: $34.99
• PTH-21D: $25.99
• PTH-26P: $28.99
• PTH-8 WiFi + App: $44.99
• PTH-3MW: $64.99

These promotional prices are valid during the stated sale period and while stocks last.

Use one of the following discount codes at checkout:

• BF50SAVE2 – Save $2 on orders of $50 or more.
• BF100SAVE5 – Save $5 on orders of $100 or more.

Only one discount code may be used per order. Codes apply to eligible regular-priced products only.

Spend & Save codes cannot be applied to the PTH-24E exclusive deal, 7-Day Best Seller bundles, Black Friday discounted products, or promotional PTH-256L/256M variants. Discounts cannot be combined with other promotional codes, fixed bundle prices, or other offers.

Shipping fees and delivery times vary depending on the destination, shipping method, and order weight. Final shipping costs will be displayed at checkout.

Promotional offers cannot be applied retroactively to orders placed before the applicable promotion period.

All advertised discounts are based on genuine regular or previous selling prices. Promotional prices are valid only during the specified sale period. Offers, prices, and product availability are subject to change without prior notice.