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Solid Steel Ball, 13 mm

Item Number:  (470032-360)
Ratings:
Avg. Ratings: 3.0 (1 Review)

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Marble, 1", Clear

Item Number:  (470188-386)
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Foam Filter Insert Aquaclear 50 Sgl Pack

Item Number:  (470308-658)
Ratings: (No Reviews)
AquaClear 50 Foam Filter Insert is mechanical filter media that effectively removes particles and debris from aquarium water. Prevents particulate waste from prematurely clogging other media in the filter, Designe

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Cotton, 4 ply 200 ft.

Item Number:  (470003-392)
Ratings:
Avg. Ratings: 5.0 (1 Review)

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Spring, Compressible 3 cm

Item Number:  (470012-744)
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Foam Filter Insert Aquaclear 20 Sgl Pack

Item Number:  (470308-638)
Ratings: (No Reviews)
AquaClear 20 Foam Filter Insert is mechanical filter media that effectively removes particles and debris from aquarium water. Prevents particulate waste from prematurely clogging other media in the filter, Designe

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Single sheave

Item Number:  (470049-642)
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Foam Filter Insert Aquaclear 30 Sgl Pack

Item Number:  (470308-648)
Ratings: (No Reviews)
AquaClear 30 Foam Filter Insert is mechanical filter media that effectively removes particles and debris from aquarium water. Prevents particulate waste from prematurely clogging other media in the filter, Designe

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Poly/Cotton, Break strength 20 lbs., 400 foot spool

Item Number:  (470092-822)
Ratings:
Avg. Ratings: 5.0 (1 Review)

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Solid Steel Ball, 10 mm

Item Number:  (470089-322)
Ratings:
Avg. Ratings: 3.0 (1 Review)

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Ammonia Insert Aquaclear 20 66G (2.3Oz)

Item Number:  (470308-634)
Ratings: (No Reviews)
AquaClear 20 Ammonia Remover is ideal for new or heavily populated freshwater aquariums. Controlling ammonia levels for fish, It removes and controls harmful ammonia and nitrite, creating a healthy aquatic environm

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Carbon Insert Aquaclear 20 45 G (1.6 Oz)

Item Number:  (470308-636)
Ratings: (No Reviews)
AquaClear 20 Activated Carbon Filter Insert improves water clarity in fresh and saltwater aquariums, for the AquaClear 20 Power Filter, it provides superior adsorption which eliminate odors, discoloration and impu

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Replacement Spring for Hooke's Law Apparatus

Item Number:  (470332-240)
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Battery Electrode

Item Number:  (470175-942)
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Battery Electrode

Item Number:  (470188-948)
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Plastic, assorted Sizes (12, 20, 30, 40 tooth), Package of 300

Item Number:  (470092-710)
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Battery Electrode

Item Number:  (470177-716)
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Zeo-Carb Insert Aquaclear 30 65G (2.3Oz)

Item Number:  (470308-650)
Ratings: (No Reviews)
AquaClear 30 Zeo-Carb Filter Insert effectively eliminates odors, discoloration and impurities in freshwater aquariums, potent chemical duo prevents the buildup of toxic ammonia and nitrite, designed for Power Fil

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Carbon Insert Aquaclear 30 55 G (1.9 Oz)

Item Number:  (470308-646)
Ratings: (No Reviews)
AquaClear 30 Activated Carbon Filter Insert improves water clarity in fresh and saltwater aquariums, for the AquaClear 30 Power Filter, it provides superior adsorption which eliminate odors, discoloration and impu

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Solid Steel Ball, 19 mm

Item Number:  (470014-946)
Ratings:
Avg. Ratings: 3.0 (1 Review)

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Hardwood ball, drilled

Item Number:  (470137-644)
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Foam Filter Insert Aquaclear 70 Sgl Pack

Item Number:  (470308-668)
Ratings: (No Reviews)
AquaClear 70 Foam Filter Insert is mechanical filter media that effectively removes particles and debris from aquarium water. Prevents particulate waste from prematurely clogging other media in the filter, Designe

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PENDULUM BALL BRASS 25MM DIAMETER SOLID

Item Number:  (470332-644)
Ratings:
Avg. Ratings: 3.0 (1 Review)

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Rubber ball

Item Number:  (470092-856)
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Zeo-Carb Insert Aquaclear 20 55G (1.9Oz)

Item Number:  (470308-640)
Ratings: (No Reviews)
AquaClear 20 Zeo-Carb Filter Insert effectively eliminates odors, discoloration and impurities in freshwater aquariums, potent chemical duo prevents the buildup of toxic ammonia and nitrite, designed for Power Fil

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Zeo-Carb Insert Aquaclear 50 90G (3.1Oz)

Item Number:  (470308-660)
Ratings: (No Reviews)
AquaClear 50 Zeo-Carb Filter Insert effectively eliminates odors, discoloration and impurities in freshwater aquariums, potent chemical duo prevents the buildup of toxic ammonia and nitrite, designed for Power Fil

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Golf ball

Item Number:  (470092-592)
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Pendulum Bobs, Iron, 25mm

Item Number:  (470230-112)
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Pendulum Bobs, Iron, 25mm, Solid Sphere With A Small Ring For Suspension, Comprising A Solid Sphere With A Small Ring For Suspension

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Visual scientifics accessories, large ball

Item Number:  (470135-578)
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Black heavy, 45 meter spool

Item Number:  (470150-660)
Ratings:
Avg. Ratings: 5.0 (1 Review)

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Rubber hi-bounce ball

Item Number:  (470092-498)
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Carbon Insert Aquaclear 50 70 G (2.5 Oz)

Item Number:  (470308-656)
Ratings: (No Reviews)
AquaClear 50 Activated Carbon Filter Insert improves water clarity in fresh and saltwater aquariums, for the AquaClear 50 Power Filter, it provides superior adsorption which eliminate odors, discoloration and impu

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Ammonia Insert Aquaclear 30 121G (4.3Oz)

Item Number:  (470308-644)
Ratings: (No Reviews)
AquaClear 30 Ammonia Remover is ideal for new or heavily populated freshwater aquariums. Controlling ammonia levels for fish, It removes and controls harmful ammonia and nitrite, creating a healthy aquatic environ

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Rocket parachute 6", preassembled

Item Number:  (470351-926)
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New Product

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Rubber ball

Item Number:  (470153-544)
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Bio-Max Insert Aquaclear 20 60G (2.1 Oz)

Item Number:  (470308-750)
Ratings: (No Reviews)
AquaClear 20 BioMax Filter Insert provides an optimal environment for the colonization and growth of beneficial bacteria, which is essential for effective biological filtration and water purification for the AquaC

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Ammonia Insert Aquaclear 50 143G (5 Oz)

Item Number:  (470308-654)
Ratings: (No Reviews)
AquaClear 50 Ammonia Remover is ideal for new or heavily populated freshwater aquariums. Controlling ammonia levels for fish, It removes and controls harmful ammonia and nitrite, creating a healthy aquatic environm

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Tape for spark timer, each

Item Number:  (470110-812)
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Lens and mirror support, 38 mm

Item Number:  (470006-932)
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Bio-Max Insert Aquaclear 30 65G (2.3Oz)

Item Number:  (470308-752)
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AquaClear 30 BioMax Filter Insert provides an optimal environment for the colonization and growth of beneficial bacteria, which is essential for effective biological filtration and water purification for the AquaCl

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Plastic Pulley, Single, 50mm

Item Number:  (470230-080)
Ratings: (No Reviews)
Plastic Pulley, Single, One (1) High Quality, Single Wheeled Plastic Pulley, On A Steel Frame, With Hooks At Each End And One Plastic Pulley With A Diameter Of 50 mm, Inner Gap Of Pulley Measures 4 mm, Overall Length Is 8.9 Cm. Capable Of Holding Over 30 Lbs Of Weight.

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Bearing Ball Set

Item Number:  (470092-246)
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Lens and mirror support, 75 mm

Item Number:  (470006-934)
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Hooked Weight, 10g

Item Number:  (470102-762)
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STAINLESS STEEL ELECTRODE WITHOUT LEAD

Item Number:  (470188-228)
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Rocket parachute 9", preassembled

Item Number:  (470351-928)
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New Product

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Candle Holder

Item Number:  (470006-942)
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Hooked Weight, 20g

Item Number:  (470012-924)
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Object and Marker

Item Number:  (470006-938)
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Drilled Hardwood Ball, 25 mm

Item Number:  (470007-142)
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Drilled Hardwood Ball, 25 mm

Item Number:  (470138-842)
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Mini Motor Mount

Item Number:  (470132-499)
Ratings: (No Reviews)
Mini Motor Mount, This Mini Motor Mount securely holds our 1.5 v motor. It has a splined hole for attaching a dowel. It can also be mounted with a no. 10 Screw

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Wire, Insulated Copper 10 ft, 22 G, Red

Item Number:  (470163-956)
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Pulley, Double Sheave

Item Number:  (470104-442)
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Zeo-Carb Insert Aquaclear 70 180G(6.3Oz)

Item Number:  (470308-670)
Ratings: (No Reviews)
AquaClear 70 Zeo-Carb Filter Insert effectively eliminates odors, discoloration and impurities in freshwater aquariums, potent chemical duo prevents the buildup of toxic ammonia and nitrite, designed for Power Fil

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Whiffle ball

Item Number:  (470173-904)
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MASS HANGER 500G CAPACITY

Item Number:  (470332-238)
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Spring, Compressible 2 1/2 x 3/4''

Item Number:  (470092-392)
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Carbon Insert Aquaclear 70 140G (4.9 Oz)

Item Number:  (470308-666)
Ratings: (No Reviews)
AquaClear 70 Activated Carbon Filter Insert improves water clarity in fresh and saltwater aquariums, for the AquaClear 70 Power Filter, it provides superior adsorption which eliminate odors, discoloration and impu

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Pulley Large Demonstration Single

Item Number:  (470235-696)
Ratings: (No Reviews)
Pulley Large Demonstration Single, Designed for Classroom Demonstrations, Light-weight, low-friction, and deformation-resistant plastic ensures accurate results, Open to make it easier for users to run pulley cords through them

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Pencil lead refill

Item Number:  (470012-752)
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Ammonia Insert Aquaclear 70 346G(12.2Oz)

Item Number:  (470308-664)
Ratings: (No Reviews)
AquaClear 70 Ammonia Remover is ideal for new or heavily populated freshwater aquariums. Controlling ammonia levels for fish, It removes and controls harmful ammonia and nitrite, creating a healthy aquatic environ

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Solid Nylon Ball, 19 mm

Item Number:  (470016-782)
Ratings:
Avg. Ratings: 3.0 (1 Review)

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Bio-Max Insert Aquaclear 50 125G (4.4Oz)

Item Number:  (470308-754)
Ratings: (No Reviews)
AquaClear 50 BioMax Filter Insert provides an optimal environment for the colonization and growth of beneficial bacteria, which is essential for effective biological filtration and water purification for the AquaC

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