Thumb Score: +14

KONPAYDER via Amazon [amazon.com] has KONPAYDE 180,000 RPM 3-Speed Cordless Electric Air Duster w/ 4 Nozzles on sale for $39.99 – 50% off when you apply promo code N2WU9XEG at checkout = $19.99. Shipping is free w/ Prime or on orders $35+.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, try refreshing the page, re-entering the code, or checking after you select a payment method to confirm whether it already applied.