Reviews Test Tubes Holder

Swiss Labs 7-1 Aquarium Test Kit (150 Strips) for Fresh and Saltwater Tanks, Easy to Use Single Dip Test

  • Will safely hold 6 test tubes - no more trying to use generic racks with holes too large!.
  • Compatible with both API and Tililly Concepts 5 ml aquarium test tubes (13mm diameter).
  • rinse and dry your test tubes on the drying poles.
  • Complements all API freshwater and saltwater tests.
  • Please note, test tubes are not included in this offer.
  • If this version does not meet your needs please consider our 8 hole version.
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Riverstone Audio - 6P1P-EB Tested AND Matched Pair (2 tubes) - Vintage Vacuum Tubes - Amplitrex Tested - Replacement for 9-PIN 6P1 / 6P1P Tubes - Platinum Grade Pair - (2 tubes) 6P1P-EB

  • MATCHED PAIR 6P1P-EB NOS Vacuum Tubes – UPGRADE FOR CHINESE 6P1 VACUUM TUBES. The 6P1P-EB vacuum tube is a vintage miniature 9-pin beam-tetrode. The “-EB” designation at the end of the 6P1P tube code designates a long-life (E) and high-reliability (B) version of the 6P1P tube. IMPORTANT: These tubes ARE NOT a replacment for 6N6, 6N6P or 6N1P tubes..
  • PLEASE NOTE: 6P1P-EB (cryillic 6П1П-EB) tubes are “beam tetrodes” and CAN NOT be used as a replacement for dual triode tubes such as 6N1P (6H1П) , 6N1P-EB (6H1П-EV) 6N6 or 6N6P (6H6П) tubes. *****AMPLIFIER DAMAGE CAN OCCUR IF YOU SUBSTITUTE THE WRONG TYPE OF TUBE. 6P1P-EB tubes can only be used as a direct replacement for 9-PIN Chinese 6P1 tubes. Carefully determine the type of tube used in your amplifier before ordering..
  • TESTED AND MATCHED by experienced engineers using Amplitrex tube testers to evaluate the electrical parameters of the tubes. Tubes are evaluated for plate current (ip), mutual conductance, tube gain, leakage and noise. After matching, the tubes are evaluated for sound quality in an amplifier. If any deficiencies are found the tubes are not sold. Less than 50% of the 6P1P-EB-tubes we test and audition pass our standard for high fidelity audio use and are used in our Platinum....
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lonzsw 50 Pack 2ml Plastic Cryogenic Vial Lab Frozen Test Tubes Small Vial Tube with White Screw Caps Self Standing Vial Seal Cap Container for Laboratory School

  • Value package - you will get one pack including 50 pieces small plastic frozen test tubes in 2ml capacity with white screw caps, sufficient quantity can meet school, scientific laboratory usages and replacements..
  • Material - plastic frozen test tubes are made from PP with smooth wall and good transparency. 2ml capacity frozen tubes with clear 0.5-2ml scale can easy reading of the liquid volume..
  • Design - self standing design of plastic frozen test tubes will not slide when using. Each plastic cryogenic vial tube comes with a pieces black seal gasket, combine with screw sealing cap can make our cryogenic vial will not volatilize samples..
  • Size - plastic cryogenic vial tube measure about height 4.1cm/1.6inch, bottom diameter 1.1cm/0.43inch, capacity 2ml/0.07oz with clear 0.5-2ml scale marked, easy to use..
  • Wide usage - these plastic cryogenic vial test tubes are perfect for lab sample storage. Our plastic frozen test tubes designed with smooth side wall and good sealing property, can placed under -80℃ to refrigerate samples, ideal for schools, scientific research laboratory and etc..
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Plastic Test Tube Rack 3 Pack Detachable Lab Test Tube Rack Holder for 16mm Test Tubes White 60 Holes

  • PACKAGE LIST: 3 Pieces Plastic Test Tube Rack.
  • PRODUCT SIZE: Measures approx 9.8" L x 4.2" W x 2.6" H, Hole diameter is 16 mm.
  • CAPACITY: This plastic test tube rack can hold 60 pieces tubes totally.
  • EASY TO DISASSEMBLE AND INSTALL: This plastic tube holder comes 3 separated pieces, assemble required.
  • can be stored put together or taken apart and....
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60Pack Plastic Test Tubes with Caps 45ML Clear Bath Salt Tubes Gumball Candy Tubes Tube Container Vials for Scientific Experiments Party Favors Decorate The House Candy Storage

  • 60 PACK CANDY TUBES FOR GUMBALLS: The clear test tubes come with metal screw caps, high quality and non-toxic with good seal, ideal for DIY bath salt tubes and candy tube containers.
  • 45ML DURABLE PLASTIC TUBES: The tubes are made of sturdy PET plastic, as transparent as glass, but not break easily, very safety test tube choice for children, as candy bottles rack, storage small items or use in lab.
  • LEAKPROOF AND PORTABLE: Unique screw caps design ensures the sealing performance, which can be used to storing handmade beads, powders and liquid, very convenient to storage and carry.
  • TUBE CONTAINERS SIZE: Vials Size: 5.5x0.98Inch (H x W), Vial Capacity: 1.5oz, large enough vials for bath salts, gumball, candy, jelly, chocolate bean, cookie nuts packaging.
  • MULTI-FUNCTION TEST TUBE: Widely used in DIY home project, party decorations and lab science test, such as homemade bath salt tubes, holding craft items bottles, chocolate M&M’s tubes.
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50Pcs Clear Plastic Test Tubes with Rack,16x100mm(10ml) Test Tube with Caps and 50 Holes Tubes Rack for Scientific Experiments,Party,Decorate The House,Candy Storage

  • Plastic test tubes size is 16 x 100mm.Capacity is 10ml.Test tube rack size is 9.9 x 4.4 x 2.6 inches/25.2 x 11.2 x 6.5 cm..
  • Our test tubes package includes 50 pcs Test Tubes with Caps and 1 pack 50-hole test tube rack..
  • The cap can be tightly attached to the test tube with a diameter of 16mm.It has good sealing performance and can effectively prevent liquid leakage..
  • Tubes clear is made of high quality plastic,sturdy.It is not only ideal for scientific experiments and storing beads,spices,liquids,seeds and more,but also can be used for mixing drinks to decorate Halloween,Christmas and scientific theme parties perfectly..
  • The rack has 3 Layer and 2 slots that each layer has a direction,slide the shelves in from one side and the other side has a lip that stops it.The rack has three layers of holes with a smallest hole at the bottom to keep tubes steady,and the large holes on the top and the second floor..
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Vacuum Tube Set for Fender Blues Deluxe, Apex Matched

  • Plug and Play, GE 5654W For used to directly replace 7-Pin 6J1 / 6Ж1 / 6J1P / 6J1P-EB / 6Zh1P-EV / 6AK5 / 6AK5W and EF95 tubes. It can also replace 6J2/6J3/6J4/6J5 and ordinary 5654. It can used for WE-403A/403B/EF95 Matched Vacuum Tubes replacement..
  • Perfect Quality, Platinum Grade Pair GE 5654W tubes show you the difference in natural voice reproduction and simple musical. They sound more clear with an emphasis on clarity, larger soundstage, and bass response is more noticeable. Hear the difference, enjoy your music! 5654W Vacuum Tubes are NOS, We are selling new stock Vacuum Tubes..
  • Tested and matched Pair tube of Low-noise 7-Pin United States GE JAN 5654W Vacuum Tubes, Higher Durability and Life. Our Testing engineers match vacuum tubes for BOTH plate current and mutual conductance. All tubes we must also pass a specialized life test, 48-hour aging test and audio sound test..
  • Made In The USA, Made by General Electric, Perfect Upgrade For Little Dot Lines & Little Dot MK II / MK 2 / Little Dot MK3 / Nobsound Little Bear T7 Amplifier,Direct Replacement For 6J1 6AK5 Tube Designed For Long Life, Heavy Duty Cycle Military Specification Grade (JAN) , Considered one of the best of the 5654 / 6AK5 / EF95 family of tubes for audio use.The sound is full, sof....
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JPSOR 15pcs 110ml Plastic Test Tubes with Screw Caps 140 x 35mm Clear Flat Large Test Tubes with Lids and 1 Brush for Bath Salt, Candy Storage, Party Favors, Scientific Experiments

  • Package contains 15 clear plastic test tubes and 1 test tube brush..
  • Test tubes are made of PET plastic, non-toxic and eco-friendly.
  • Brush is made from stainless steel and nylon fiber..
  • The test tubes are well sealed to keep stored objects dry..
  • These 110ml test tubes can be used to store candies, dices, bath soaks, handicrafts, liquid, seasoning, beads, etc.They could be used for a variety of gift ideas, party favors..
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CELESTION G12M-65 Creamback 12-Inch 8-Ohm 65-Watt Guitar Speaker

  • Plug and Play, GE 5654W For used to directly replace 7-Pin 6J1 / 6Ж1 / 6J1P / 6J1P-EB / 6Zh1P-EV / 6AK5 / 6AK5W and EF95 tubes. It can also replace 6J2/6J3/6J4/6J5 and ordinary 5654. It can used for WE-403A/403B/EF95 Matched Vacuum Tubes replacement..
  • Perfect Quality, Platinum Grade Pair GE 5654W tubes show you the difference in natural voice reproduction and simple musical. They sound more clear with an emphasis on clarity, larger soundstage, and bass response is more noticeable. Hear the difference, enjoy your music! 5654W Vacuum Tubes are NOS, We are selling new stock Vacuum Tubes..
  • Tested and matched Pair tube of Low-noise 7-Pin United States GE JAN 5654W Vacuum Tubes, Higher Durability and Life. Our Testing engineers match vacuum tubes for BOTH plate current and mutual conductance. All tubes we must also pass a specialized life test, 48-hour aging test and audio sound test..
  • Made In The USA, Made by General Electric, Perfect Upgrade For Little Dot Lines & Little Dot MK II / MK 2 / Little Dot MK3 / Nobsound Little Bear T7 Amplifier,Direct Replacement For 6J1 6AK5 Tube Designed For Long Life, Heavy Duty Cycle Military Specification Grade (JAN) , Considered one of the best of the 5654 / 6AK5 / EF95 family of tubes for audio use.The sound is full, sof....
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