Reviews Biological Contact

AquaClear 30 Power Filter, Fish Tank Filter for 10- to 30-Gallon Aquariums

  • Aquarium filtration system that offers superior contact time with filter media and energy efficient pump lowers operating costs.
  • we recommend that you clean aquarium filter every 2 weeks for maximum operation and efficiency.
  • Activated Carbon Filter and BioMax and Cycle Guard for superior water quality.
  • Filtration volume is up to 7 times larger than comparable fish tank filters.
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AquaClear 50 Power Filter, Fish Tank Filter for 20- to 50-Gallon Aquariums

  • Aquarium filtration system that offers superior contact time with filter media and energy efficient pump lowers operating costs.
  • we recommend that you clean aquarium filter every 2 weeks for maximum operation and efficiency.
  • Activated Carbon Filter and BioMax and Cycle Guard for superior water quality.
  • Filtration volume is up to 7 times larger than comparable fish tank filters.
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AquaClear 70 Power Filter, Fish Tank Filter for 40- to 70-Gallon Aquariums

  • Aquarium filtration system that offers superior contact time with filter media and energy efficient pump lowers operating costs.
  • we recommend that you clean aquarium filter every 2 weeks for maximum operation and efficiency.
  • Activated Carbon Filter and BioMax and Cycle Guard for superior water quality.
  • Filtration volume is up to 7 times larger than comparable fish tank filters.
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(9 Pack) Fluval C4 Bio-Screen - 3 Packages with 3 Screens per Package

  • 3 Pack Of Fluval C4 Bio-Screen - with 3 Screens per Package..
  • Evenly distributes water flow into the C-series Trickle Chamber for additional biological filtering..
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Brush, Beaker & Jar

  • Made of black china bristle on rust-resistant wire with hardwood handle.
  • From our beginnings in 1927, Carolina Biological Supply Company has grown to become a leading supplier of science teaching materials for all levels of education. Today, from our headquarters in Burlington, North Carolina, we serve customers worldwide, including teachers, professors, homeschool educators, hobbyists, and professionals in health and science-related fields..
  • When you shop with Carolina, you're not alone! All of our products are backed by unparalleled technical support, available from 8am to 8pm, ET, Monday-Friday. Contact information (Live Chat, email, and phone) is provided after placing your order at Amazon..
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Aquascape 29082 UltraFalls Skimmer Filter Mat for Pond Water Feature Waterfall Landscape and Garden by Aquascape

  • Replacement filtration for standard-sized Aquascape Pond Filter Urn.
  • Ceramic beads provides biological filtration.
  • Filter mat provides mechanical filtration.
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Zoo Med Turtle Clean External Canister Filter, 50-Gallon

  • External canister filter with slimline design for tight spaces.
  • 200 gallon per hour rating, ideal for turtle habitats up to 50 gallons in size.
  • The included spray bar increases oxygenation to help support your turtles' health.
  • Double filtering system with both carbon and ceramic filters and internal biological recirculation.
  • Combines mechanical, biological, and chemical filtration to give your pets the cleanest, healthiest habitat.
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Fluval Foam Filter Block A226 - For 404/405/406 12-Pack - Retail OEM

  • Biological and mechanical aquarium filtration.
  • Designed specifically for Fluval 404/405/406 canister filters.
  • This media is suitable for use in both freshwater and saltwater aquariums.
  • Traps waste and debris from your fish tank's water and maximizes biological filtration while maintaining even flow.
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Compound trinocular Microscope, 40X-5000X Magnification, Digital Laboratory trinocular Compound LED Microscope with USB Camera and Mechanical Stage, WF10x and WF20x eyepieces, Abbe Condenser

  • 【Trinocular Compound Microscope】This 40X-5000X biological microscope is designed to help doctors/amateur scientists/hobbyists explore the wonderful world of life. A super stylish and versatile compound microscope for viewing minute details on slides.
  • built for clinicians, high school and college science students, and enthusiastic hobbyists..
  • 【High Magnification】With 1 WF10x eyepiece, 1 WF25x eyepiece, 1 2x lens, objective lens: achromatic DIN 4X, 10X, 40X, 100X , biological microscope provides 12 levels of magnification: 40x -80X-100x-200X -250x-500X -400x -800x-1000x -2000- 2500x-5000x , 45 degree tilt 360 degree rotation trinocular, can reduce eye and neck neck fatigue when you watch..
  • 【High-quality materials】 bright field / dark field, halogen illumination with varistor to control light intensity, and 1.25 NA Abbe spotting lens with variable iris and rack and pinion focus control for precise focus, clear inspection and light control.
  • 【Digital camera】Digital compound microscope and 5 MP camera with zoom lens and USB 2.0 output for capturing or displaying images on a computer or projector for viewing, live streaming, recording and capturing magnified images of specimens.
  • 【Satisfaction Guarantee】BOGRINUO prides itself on the high qual....
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