Brand new this the filter is 170. Make me a reasonable offer. Product info as follows : Ocean Clear Model 340 Canister Filter 30 sq. ft. 25 Micron Mechanical & Carbon Filter Ocean Clear Canister Filters provide the ultimate in aquatic life support systems for consumer and commercial fresh and salt water aquariums, fountains, or ponds. With several mechanical, chemical and biological options to choose from, Nu-Clear filters have the flexibility to fit all your aquarium and pond applications. The different models may be used on their own or in combination with other models to provide the ultimate in filtration systems. The Nu-Clear 500 Series Modular Canister Filters are appropriate for aquariums 50 gallons and up and for ponds 300 gallons and up.Nu-Clear filters feature heavy duty molded PVC construction with a stainless steel lid clamp for secure leak free operation and carry a 2 year guarantee. The filter bodies are approximately 13" wide and 12.5" tall (overall width with fittings is 15”). An additional clearance of 8” above the filter is required to remove the cartridge for cleaning. Nu-Clear filters have 1" FNPT inlet and outlet ports allowing for higher flow rates (up to 1,200 gallons/hr) than similar filters with 3/4” ports. All models come with adapters for 3/4" and 1" hose, stainless steel hose clamps, pipe seal tape, and a drain valve.MODEL 533The ultimate aquatic filter. The 30 sq. ft. 25 micron cartridge has 20% more surface area than other similar filters. The cartridge traps particles larger that 25 microns and polishes the water crystal clear. The cartridge can be cleaned and reused. This filter will also hold 1.5 lbs of activated carbon for absorbing water yellowing compounds and other dissolved organics. Includes pressure gauge and 1.5 lbs of pre-bagged premium Inland Seas Marine and Reef Activated Carbon.