niteguy dryer vent bird guard, dryer vent covers guard for most 3" to 4" vent hoods,bathroom exhaust fan cover durable stainless steel outside dryer duct bird covers, 7"lx7"wx5"h,white is up for auction in Tools & Home Improvement. The current bid is $1.50, 93% below the $22.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.