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Info from Amazon.com:

Technical Details

* Safe, environment friendly-permaflow drain safely ends the need for hazardous drain-cleaning chemicals and the associated personal safety and environmental issues
* Saves money-unlike the common p-trap, permaflow drain prevents clog build-up and eliminates the cumbersome work of-Inchclean-out-Inch traps as well as the need for secondary maintenance products
* Reduces downtime-permaflow drain is transparent for quick diagnosis of potential problems; the dial can be turned to rotate an internal wiper to remove any build-up
* Assists with easy retrieval of items-accidentally dropped items (jewelry, toys, coffee stirs etc) can be easily seen and removed; the dial helps retrieve accidentally dropped jewelry through the sink from the nine o'clock wiper position
* Supports water conservation-permaflow drain facilitates efficient removal of stagnant debris in the trap area; since these chemicals are no longer required, gray water pollution is reduced and it is available for recycling

Product Description

The PermaFLOW "Never-Clog Drain" provides a permanent way to eliminate drain clogs. With its innovative, self-cleaning design and integrated wiper that removes blockage, PermaFLOW eliminates the need for chemical drain cleaners, plungers, and expensive pipe repairs. This smart alternative to traditional P-traps installs in a snap and even allows for easy retrieval of accidentally lost jewelry and other items.

Award-Winning, Safe, and Environmentally Friendly Design
PermaFLOW has won several leading awards and testimonials for its ability to reduce money, effort, wasted time, and environmental impact. The innovative, common-sense design reduces water pollution by eliminating the need for chemical cleaners. The design is safe and blocks indoor contaminants, eliminating injury and poisoning hazards. It also minimizes exposure to nasty sewer gases and prevents rust and corrosion.

And because it's durably constructed in the USA from ABS plastic and synthetic rubber, PermaFLOW is fully recyclable and will save you from expensive maintenance and replacement costs.

PermaFLOW comes with a 10-year replacement warranty and is designed to work without problems with conventional drain chemicals.

I just posted that one myself a couple weeks ago and that was locked too because it was a repost:
http://www.fatwallet.com/forums/hot-deals/958354

Thanks anyay it's a neat product.