Lab Bottles - Bottle Caps, Connection Caps & Septa - Page 9 - LIGHT LABS | Laboratory Supplies & Equipment

ENDS OCT 30, 2026

Buy 4 cases of CELLTREAT, get a FREE hoodie or free case

University PUNCH-OUT users - please click the Transfer button (rather than check-out) to complete a punch-out order.

Quick view Details

DURAN
|
sku: 1152921

1152921 GLS 80 High Temperature Replacement Cap Liner, PTFE coated, platinum-cured silicone, Pack of 5 | DURAN

MSRP:

Now: $143.37

Add to Cart
Compare
Quick view Details

DURAN
|
sku: 293102807

293102807 GL 45 Screw Cap, with 2-hose connector (PP) and EDPM gasket, Pack of 2 | DURAN

MSRP:

Now: $199.74

Add to Cart
Compare
Quick view Details

DURAN
|
sku: 1129825

1129825 Connector (5.8 mm) and Syringe Disk Filter (0.2 µm), for GL 45 screw cap, with 2-hose connector, Pack of 2 | DURAN

MSRP:

Now: $238.61

Add to Cart
Compare
Quick view Details

DURAN
|
sku: 1156292

1156292 GL 14 Blanking Screw Cap, with PTFE coated silicone seal, PBT, red (accessory for GL 45 screw connection cap system and stirred bottle reactor system), Pack of 2 | DURAN

MSRP:

Now: $19.39

Add to Cart
Compare
Quick view Details

DURAN
|
sku: 1152752

1152752 Flat sealing O-ring Gasket GL 45, EPDM | DURAN

MSRP:

Now: $127.53

Add to Cart
Compare
Quick view Details

DURAN
|
sku: 1137799

1137799 Set For Pressure Compensation 2 3 Port | DURAN

MSRP:

Now: $101.68

Add to Cart
Compare
Quick view Details

DURAN
|
sku: 1129819

1129819 Replacement 0.2 µm Syringe Disc Filter, for pressure equalization set (accessory for GL 45 screw connection cap system, stirred bottle reactor system and HPLC Bottle), Pack of 2 | DURAN

MSRP:

Now: $64.10

Add to Cart
Compare
Quick view Details

DURAN
|
sku: 1129818

1129818 Insert for GL 14 Screw Cap, inner diameter 6.0 mm (~1/4 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

MSRP:

Now: $52.93

Add to Cart
Compare
Quick view Details

DURAN
|
sku: 1129817

1129817 Insert for GL 14 Screw Cap, inner diameter 3.2 mm (1/8 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

MSRP:

Now: $52.93

Add to Cart
Compare
Quick view Details

DURAN
|
sku: 1129816

1129816 Insert for GL 14 Screw Cap, inner diameter 3.0 mm (~1/8 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

MSRP:

Now: $59.03

Add to Cart
Compare
Quick view Details

DURAN
|
sku: 1129815

1129815 Insert for GL 14 Screw Cap, inner diameter 1.6 mm (1/16 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

MSRP:

Now: $52.93

Add to Cart
Compare
Quick view Details

DURAN
|
sku: 1129814

1129814 GL 14 Screw Cap open top, for tube connection, PP, blue (accessory for GL 45 screw connection cap system and stirred bottle reactor system), Pack of 2 | DURAN

MSRP:

Now: $33.29

Add to Cart
Compare

Quick view

DURAN
|
sku: 1152921

1152921 GLS 80 High Temperature Replacement Cap Liner, PTFE coated, platinum-cured silicone, Pack of 5 | DURAN

Dry heat, repeated autoclave cycles and harsh chemicals quickly age standard polypropylene closures. This high temperature closure set keeps wide mouth GLS 80 bottles sealed in conditions up to 180...

MSRP:

Now: $143.37
Add to Cart Compare
Quick view

DURAN
|
sku: 293102807

293102807 GL 45 Screw Cap, with 2-hose connector (PP) and EDPM gasket, Pack of 2 | DURAN

Connecting silicone tubing to a bottle should not mean disconnecting it every time the bottle is opened. This two-port cap has a freely rotating center, so the bottle can be unscrewed while tubing...

MSRP:

Now: $199.74
Add to Cart Compare
Quick view

DURAN
|
sku: 1129825

1129825 Connector (5.8 mm) and Syringe Disk Filter (0.2 µm), for GL 45 screw cap, with 2-hose connector, Pack of 2 | DURAN

Connecting silicone tubing to a bottle should not mean disconnecting it every time the bottle is opened. This two-port cap has a freely rotating center, so the bottle can be unscrewed while tubing...

MSRP:

Now: $238.61
Add to Cart Compare
Quick view

DURAN
|
sku: 1156292

1156292 GL 14 Blanking Screw Cap, with PTFE coated silicone seal, PBT, red (accessory for GL 45 screw connection cap system and stirred bottle reactor system), Pack of 2 | DURAN

A modular closure system only stays useful when the right small parts are on hand. These caps, inserts, seals and filters keep GL 45 connection caps and stirred bottle reactors configured for the...

MSRP:

Now: $19.39
Add to Cart Compare
Quick view

DURAN
|
sku: 1152752

1152752 Flat sealing O-ring Gasket GL 45, EPDM | DURAN

A modular closure system only stays useful when the right small parts are on hand. These caps, inserts, seals and filters keep GL 45 connection caps and stirred bottle reactors configured for the...

MSRP:

Now: $127.53
Add to Cart Compare
Quick view

DURAN
|
sku: 1137799

1137799 Set For Pressure Compensation 2 3 Port | DURAN

A modular closure system only stays useful when the right small parts are on hand. These caps, inserts, seals and filters keep GL 45 connection caps and stirred bottle reactors configured for the...

MSRP:

Now: $101.68
Add to Cart Compare
Quick view

DURAN
|
sku: 1129819

1129819 Replacement 0.2 µm Syringe Disc Filter, for pressure equalization set (accessory for GL 45 screw connection cap system, stirred bottle reactor system and HPLC Bottle), Pack of 2 | DURAN

A modular closure system only stays useful when the right small parts are on hand. These caps, inserts, seals and filters keep GL 45 connection caps and stirred bottle reactors configured for the...

MSRP:

Now: $64.10
Add to Cart Compare
Quick view

DURAN
|
sku: 1129818

1129818 Insert for GL 14 Screw Cap, inner diameter 6.0 mm (~1/4 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

A modular closure system only stays useful when the right small parts are on hand. These caps, inserts, seals and filters keep GL 45 connection caps and stirred bottle reactors configured for the...

MSRP:

Now: $52.93
Add to Cart Compare
Quick view

DURAN
|
sku: 1129817

1129817 Insert for GL 14 Screw Cap, inner diameter 3.2 mm (1/8 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

A modular closure system only stays useful when the right small parts are on hand. These caps, inserts, seals and filters keep GL 45 connection caps and stirred bottle reactors configured for the...

MSRP:

Now: $52.93
Add to Cart Compare
Quick view

DURAN
|
sku: 1129816

1129816 Insert for GL 14 Screw Cap, inner diameter 3.0 mm (~1/8 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

A modular closure system only stays useful when the right small parts are on hand. These caps, inserts, seals and filters keep GL 45 connection caps and stirred bottle reactors configured for the...

MSRP:

Now: $59.03
Add to Cart Compare
Quick view

DURAN
|
sku: 1129815

1129815 Insert for GL 14 Screw Cap, inner diameter 1.6 mm (1/16 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

A modular closure system only stays useful when the right small parts are on hand. These caps, inserts, seals and filters keep GL 45 connection caps and stirred bottle reactors configured for the...

MSRP:

Now: $52.93
Add to Cart Compare
Quick view

DURAN
|
sku: 1129814

1129814 GL 14 Screw Cap open top, for tube connection, PP, blue (accessory for GL 45 screw connection cap system and stirred bottle reactor system), Pack of 2 | DURAN

A modular closure system only stays useful when the right small parts are on hand. These caps, inserts, seals and filters keep GL 45 connection caps and stirred bottle reactors configured for the...

MSRP:

Now: $33.29
Add to Cart Compare

Compare Selected

Shop by Category

Shop by Brand

Shop by Brand

1152921 GLS 80 High Temperature Replacement Cap Liner, PTFE coated, platinum-cured silicone, Pack of 5 | DURAN

293102807 GL 45 Screw Cap, with 2-hose connector (PP) and EDPM gasket, Pack of 2 | DURAN

1129825 Connector (5.8 mm) and Syringe Disk Filter (0.2 µm), for GL 45 screw cap, with 2-hose connector, Pack of 2 | DURAN

1156292 GL 14 Blanking Screw Cap, with PTFE coated silicone seal, PBT, red (accessory for GL 45 screw connection cap system and stirred bottle reactor system), Pack of 2 | DURAN

1152752 Flat sealing O-ring Gasket GL 45, EPDM | DURAN

1137799 Set For Pressure Compensation 2 3 Port | DURAN

1129819 Replacement 0.2 µm Syringe Disc Filter, for pressure equalization set (accessory for GL 45 screw connection cap system, stirred bottle reactor system and HPLC Bottle), Pack of 2 | DURAN

1129818 Insert for GL 14 Screw Cap, inner diameter 6.0 mm (~1/4 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

1129817 Insert for GL 14 Screw Cap, inner diameter 3.2 mm (1/8 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

1129816 Insert for GL 14 Screw Cap, inner diameter 3.0 mm (~1/8 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

1129815 Insert for GL 14 Screw Cap, inner diameter 1.6 mm (1/16 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

1129814 GL 14 Screw Cap open top, for tube connection, PP, blue (accessory for GL 45 screw connection cap system and stirred bottle reactor system), Pack of 2 | DURAN

sku: 1152921

1152921 GLS 80 High Temperature Replacement Cap Liner, PTFE coated, platinum-cured silicone, Pack of 5 | DURAN

sku: 293102807

293102807 GL 45 Screw Cap, with 2-hose connector (PP) and EDPM gasket, Pack of 2 | DURAN

sku: 1129825

1129825 Connector (5.8 mm) and Syringe Disk Filter (0.2 µm), for GL 45 screw cap, with 2-hose connector, Pack of 2 | DURAN

sku: 1156292

1156292 GL 14 Blanking Screw Cap, with PTFE coated silicone seal, PBT, red (accessory for GL 45 screw connection cap system and stirred bottle reactor system), Pack of 2 | DURAN

sku: 1152752

1152752 Flat sealing O-ring Gasket GL 45, EPDM | DURAN

sku: 1137799

1137799 Set For Pressure Compensation 2 3 Port | DURAN

sku: 1129819

1129819 Replacement 0.2 µm Syringe Disc Filter, for pressure equalization set (accessory for GL 45 screw connection cap system, stirred bottle reactor system and HPLC Bottle), Pack of 2 | DURAN

sku: 1129818

1129818 Insert for GL 14 Screw Cap, inner diameter 6.0 mm (~1/4 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

sku: 1129817

1129817 Insert for GL 14 Screw Cap, inner diameter 3.2 mm (1/8 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

sku: 1129816

1129816 Insert for GL 14 Screw Cap, inner diameter 3.0 mm (~1/8 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

sku: 1129815

1129815 Insert for GL 14 Screw Cap, inner diameter 1.6 mm (1/16 inch), silicone/PTFE (accessory for GL 45 screw connection cap system and stirred bottle reactor system) | DURAN

sku: 1129814

1129814 GL 14 Screw Cap open top, for tube connection, PP, blue (accessory for GL 45 screw connection cap system and stirred bottle reactor system), Pack of 2 | DURAN