Top Biological Model

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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Fluval C3 Power Filter Fish Tank Filter for Aquariums up to 50 Gal.

  • 5-stage clip-on power filter designed for freshwater and saltwater aquariums between 20 and 50 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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SDLSH Microscope Accessories kit Slide Preparation camer 2X 3X 10X 16X 20X 30X 50X Wide Field Microscope Eyepiece with 23.2mm Mounting Size Microscope Accessories (Color : 50X)

  • Model Number: Biological Microscope Eyepiece..
  • Microscope moveable stage is made of high quality plastic and metal, long serving life..
  • It is a microscope accessories, great replacement for the broken one..
  • We find this sophisticated and sturdy binocular compound microscope is very conducive to students' education in high school and university..
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Microscope Accessories kit Slide Preparation camer 40X 60X Biological Microscopes Achromatic Objective Lens 100X (Oil) 4X 10X 20X 195mm Conjugate Distance Universal MS Thread Microscope Accessories

  • Model Number: Biological Microscopes Achromatic Objective Lens.
  • Universal Standard RMS thread, about 20.3mm.
  • Spring loaded 20x and 40x and 60X and 100x for protecting slides and lens.
  • Microscope moveable stage is made of high quality plastic and metal, long serving life..
  • It is a microscope accessories, great replacement for the broken one..
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Drain Gel Drain Organic Cleaner-1 Quart 677825

  • Designed to block the production of odors frequently occurring in drain lines, sewer lines and grease traps..
  • Formulation incorporates specialized microorganisms in combination with biological support ingredients and essential growth factors..
  • The most effective solution is the use of a highly concentrated biological product with specially selected bacteria strains..
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Drain Gel Drain Organic Cleaner-1 Gallon 679525

  • Designed to block the production of odors frequently occurring in drain lines, sewer lines and grease traps..
  • Formulation incorporates specialized microorganisms in combination with biological support ingredients and essential growth factors..
  • The most effective solution is the use of a highly concentrated biological product with specially selected bacteria strains..
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Fluval Biological Enhancer for Aquariums (2 Pack)

  • 2 Pack of Fluval Biological Enhancer for Aquariums - 16.9oz Each.
  • Immediately establishes safe biological aquarium environment.
  • Powerful responsive ammonia and nitrite elimination.
  • Allows immediate introduction of fish, For Fresh and Saltwater Use.
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Fluval C4 Bio-Screen - 3-Pack

  • Replacement media for the Fluval C4 Power Filter.
  • Bio-Screen provides an ideal surface area for biological activity to occur.
  • Works to block debris and create an easy water flow.
  • Custom fit biological and chemical filter media for the Fluval C3 Power Filter.
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