The Shark NeverChange Air Purifier is currently discounted by 40 percent, bringing the price down to roughly $150 from $250, according to WIRED. The deal is available ahead of Amazon Prime Big Deal Days, which have not formally started, and is listed at $149 on Amazon and $150 on Shark's own site.

The purifier is designed for small spaces up to 130 square feet, with a HEPA filter for fine particles and an activated carbon filter for odors and gases. Its standout feature is a filter that can last up to five years with regular cleaning and use on energy-saving settings, potentially saving on replacement costs. It also includes a fragrance pod cartridge to help offset pet odors, making it a fit for rooms with litter boxes or dog crates.

WIRED notes that other Shark NeverChange models are also on sale, including the Max version at 33 percent off and the BreatheClear MAX at 20 percent off. Competing brands such as Levoit and Coway have also reduced prices on some models. The article recommends the discounted Shark purifier for pet owners looking to manage dander and odors.