Carbon offers from Amazon.com

Traps more Dirt than standard carbon filters. Helps the filter work better. Helps reduce common household odors. Replace approximately every 3 months.
Price: $7.73 [Notify me when price goes down.]

Quick and easy replacement. Reduces unpleasant odor. Improves taste. Reduces lead, chlorine taste and odor, Cryptosporidium and Giardia cysts.
Price: $7.89 [Notify me when price goes down.]

5-piece set: 12-inch mixing spoon; 12-inch slotted spatula; 11-inch tongs; 13-inch stir-fry spatula; canister. Made of bamboo, an earth-friendly renewable resource. Burnished honey color results from oven-roasting the bamboo. Tough, wood-like tools will not swell, split, or absorb moisture.
Price: $5.00 [Notify me when price goes down.]

US EPA Approval - The Pro Series 3 is an evaluated and approved radon gas detector. Numeric LED Display - Range of .1 to 999.9 pCi/L. Two Display Options: Short-term average reading or long-term average reading. Audible alarm will sound if either the short-term average or long-term average reading exceeds 4 pCi.
Price: $119.95 [Notify me when price goes down.]

Carbon monoxide alarm with digital display; battery-operated (3 AA); test/reset button. 85 dB horn and low-battery announcement; two LED lights. Plastic body. Batteries not included.
Price: $22.00 [Notify me when price goes down.]

Peak Level Memory. Smart Hush Feature. Interconnectable. Battery Safeguard.
Price: $32.93 [Notify me when price goes down.]

NTSC video format. 16 x 9 widescreen. English language. Full PDF transcript with references on disk.
Price: $20.00 [Notify me when price goes down.]

2 speeds allow for quiet mode or quick clean mode. OdorSmart carbon filter eliminates odors, does not mask them. Swivel plug allows for the TrueAir Plug-Mount Odor Eliminator to be placed in almost any outlet. Electronic filter replacement indicator reminds you when to change the filter.
Price: $11.10 [Notify me when price goes down.]

suitable for laptops with screens up to 13. removable padded shoulder strap. contoured rubber handle. secure velcro closure system.
Price: $40.00 [Notify me when price goes down.]

6-ft long, 5.5mm thick coated carbon tempered steel cable for extra security. Slim-profile lock attaches to 99% of notebooks with superior locking strength. Simple to set combination with easy view window, and comfort grip dials. 10,000 personalized combination codes.
Price: $35.28 [Notify me when price goes down.]