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Best Biological Model

Fluval Rubber Connector for FX5 High Performance Canister Filter

  • Filter provides complete and efficient mechanical and biological filtration for ponds.
  • Fits Fluval FX5 high performance canister filter model A218.
  • Includes polybag with generic fluval header.
  • Measures 1-inch length by 4-inch width by 6-2/7-inch height.
  • included components: HAGEN FX5 RUBBER CONNECTOR.
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Fancyes Human Lymph Node Enlargement Model Biology Learning Model Human Organ Anatomical Model for Education Display Student Exhibition Classroom

  • TEACHING AIDS: This is a great learning tool for students or anyone interested in cardiac anatomy..
  • HELP STUDENTS LEARN: This enlarged lymph node model is suitable for the teaching of lymph node organs and lymph node structures in physiology teaching in secondary schools and junior colleges and universities. To give students a more intuitive understanding of the functions and relationships of lymph nodes..
  • WIDE RANGE OF APPLICATIONS: The enlarged lymph node model can be used in teaching, exhibition, communication, observation, biological research, etc. It is a high quality teaching material..
  • METICULOUS WORKMANSHIP: The workmanship is meticulous, round and burr free, will not hurt the hand, and feels smooth..
  • HIGH QUALITY PVC MATERIAL: The lymph node magnification model is made of high quality PVC Polyvinyl Chloride material, which is simple in design and strong and durable..
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EISCO Animal Cell Model, 500mm Length x 370mm Width x 240mm Height Base

  • 20,000x life size for detailed examination of cell structures.
  • Numbered with key card for identification of features.
  • Made of polyvinyl chloride (PVC) plastic-coated fiberglass for durability.
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Learning Resources Cross-Section Human Heart Model, Large Foam Classroom Demonstration Model, 2Piece, Grades 2+, Ages 7+ Multi-color, 5 x 5 x 5 inches

  • Introduce children to the study of human biology with this fascinating cross section heart model.
  • Realistic labeled model helps children learn vocabulary, identify biological structure and learn basics of scientific inquiry.
  • 2-piece heart has labeled parts on one side and letters on the other for assessment.
  • Set includes activity guide with facts on function, heart health and more.
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CrystalClear BioClarifier - Natural Pond Clarifier - 24 Packets Treats Up to 24,000 Gallons

  • Clears pond water with natural bacteria and enzymes.
  • 24 water soluble packets treats 2,000 gallons for up to 4 months.
  • Seeds and maintains biological filters keeping your pond healthy and balanced.
  • Concentrated formula, safe for all aquatic lifeDescriptionCrystalClear Biological Clarifier, also known as BioClarifier naturally clears water, removes odors and breaks down suspended dead debris and decaying leaves with billions of bacteria colonies and added enzymes. The natural bacteria enzymes seeds biological filters to maintain a healthy pond ecosystem. The result is a cleaner pond, healthier fish, improved dissolved oxygen levels and reduced ammonia levels. CrystalClear Biological Clarifier comes in easy to use water-soluble packets and can be used in ponds, fountains, bubblers and disappearing waterfall features. Use when water temperatures are above 50 degrees F. 24 packets treats up to 2,000 gallon pond for up to 4 months. Product may come as Biological Clarifier (green label) or BioClarifier (blue label), however it is the same product..
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Aquascape 80007 Pond Waterfall Filter Replacement Media Net

  • Aquascape BioBalls Biological Filter Media supports effective biological filtration by providing textured surface area for beneficial bacteria to grow and colonize.
  • Each ball offers 19 square inches of surface area, and the center channel allows the balls to be strung together, making cleaning quick and simple.
  • BioBalls Biological Filter Media will not break down like traditional biological media options, providing years of trouble-free use without replacement..
  • The paddle wheel design breaks water flow, helping to de-gas the water and maximize dissolved oxygen levels..
  • Compact size allows for placement into smaller spaces and each 100 count includes a media net with drawstring..
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Aqua-Flo 12\ Pond & Aquarium Filter Media, 72\ (6 Feet) Long x 1\ Thick (Green/White)

  • Premium biological and mechanical filtration media designed specifically for the Fluval 406, 407 canister filters.
  • Bio-Foam Max: 2-in-1 biological and mechanical filtration media with rippled surface pattern offers 30% more area for increased debris and waste capture.
  • Bio-Foam: mechanical filtration media precision cut (no gaps) to prevent debris bypass and complex foam structure maintains consistent water flow.
  • Bio-Foam+: mechanical and biological filtration media with large porous surface that supports expansive beneficial biological activity.
  • 6-month supply for use in freshwater and saltwater aquariums.
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Fluval SPEC/EVO/Flex Aquarium Filter Media Replacement Bundle, BioMax and Replacement Carbon Filter Media for Aquariums

  • Premium biological and mechanical filtration media designed specifically for the Fluval 306, 307 canister filters.
  • Bio-Foam Max: 2-in-1 biological and mechanical filtration media with rippled surface pattern offers 30% more area for increased debris and waste capture.
  • Bio-Foam: mechanical filtration media precision cut (no gaps) to prevent debris bypass and complex foam structure maintains consistent water flow.
  • Bio-Foam+: mechanical and biological filtration media with large porous surface that supports expansive beneficial biological activity.
  • 6-month supply for use in freshwater and saltwater aquariums.
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Fluval Quick-Clear Water Polishing Pads, Mechanical Filter Media for Aquariums, 6-Pack, A244A1

  • Premium biological and mechanical filtration media designed specifically for the Fluval 206, 207 canister filters.
  • Bio-Foam Max: 2-in-1 biological and mechanical filtration media with rippled surface pattern offers 30% more area for increased debris and waste capture.
  • Bio-Foam: mechanical filtration media precision cut (no gaps) to prevent debris bypass and complex foam structure maintains consistent water flow.
  • Bio-Foam+: mechanical and biological filtration media with large porous surface that supports expansive beneficial biological activity.
  • 6-month supply for use in freshwater and saltwater aquariums.
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Marina Slim Filter Carbon Plus Ceramic Cartridge 3 Pack 3 Cartridges each

  • Replacement filter cartridges, designed for use with all Marina Slim Filters, provide chemical, and biological chemical filtration.
  • Activated carbon effectively removes pollutants and odors to provide a healthy environment for your fish.
  • Ceramitek, a highly porous ceramic biological filter medium, optimizes biological filtration.
  • recommended 2 week replacement intervals.
  • Includes 3 replacement filter cartridges.
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Model Animal and Plant Cells Model - Medical Anatomical Teaching Model - Biological Experimental Teaching Comparative Models - for Study Display Teaching Medical Model

  • Package & Service: We are committed to the highest standards of quality. Your satisfaction is our top priority, any quality issues please feel free to contact us. Your shopping experience should be perfect every time..
  • Contrast the structure of animal and plant cells" teaching demonstration model. Is a model of typical cells that concentrates the characteristics of the general animal plant cells and the main organelles in the model. Can help students to carry out comprehensive teaching practice, effectively combining theory with practice.
  • The structure of plant cells is divided into cell wall, cell membrane, chloroplast, nucleus, vacuole, cytoplasm.The structure of animal cells is divided into cell membrane, nucleus, and cytoplasm. Designed to provide you with a comprehensive system of biological cell models.
  • Material: Made of environmentally friendly PVC, computer color matching, beautifully hand-painted. Almost true display of animal plant cell structure. Size: 28*18*13cm.
  • Teaching tools: Different colors are used to distinguish different positions, and the colors are bright and easy to attract students' attention, so you can to teaching demonstration, which promotes students' understanding and increases classroom fu.
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Fluval C4 Power Filter, Fish Tank Filter for Aquariums up to 70 Gal.

  • 5-stage clip-on power filter designed for freshwater and saltwater aquariums between 40 and 70 gallons.
  • Two mechanical stages trap large and fine debris, foams easily slide out for quick cleaning.
  • Chemical stage with activated carbon effectively removes toxins.
  • Biological stage features Bio-Screen pad, blocks debris and provides massive surface area for beneficial biological activity.
  • Biological Trickle Chamber super charged for fast and efficient nitrification when loaded with Fluval C-Nodes.
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Fluval C2 Power Filter, Fish Tank Filter for Aquariums up to 30 Gal.

  • 5-stage clip-on power filter designed for freshwater and saltwater aquariums between 10 and 30 gallons.
  • Two mechanical stages trap large and fine debris, foams easily slide out for quick cleaning.
  • Chemical stage with activated carbon effectively removes toxins.
  • Biological stage features Bio-Screen pad, blocks debris and provides massive surface area for beneficial biological activity.
  • Biological Trickle Chamber super charged for fast and efficient nitrification when loaded with Fluval C-Nodes.
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