Applied System Technologies is proud to back our products with our Lifetime Warranty program, covering all pipe and fittings for the Infinityâ„¢ and Elevationâ„¢ compressed air product lines. This warranty is possible due to our long history of producing high quality products, continuing our tradition of excellence and customer satisfaction. We are 100% committed to supplying the finest products available to our customers and always doing our best to exceed their expectations. This Lifetime Warranty is a testament to that commitment.