Bestekmall offers the Bestek 740-joule 6-Outlet Surge Protector Block Mount in Black for $16.23. Coupon code "FORPRO60" cuts that to $6.49. With free shipping, that's $1 under last month's mention and the lowest price we could find by $4. It's spike-rated for a maximum of 20,000 amps and features six outlets and coaxial cable protection.