Skip to content

Free shipping on most orders over $89!

Brands Contact Us

Country/Region

United States (USD $)

Search

Product type

All
Accessories
Air Filters

Need Help?

Call (864) 284-1801

Track Order Cart

Cart Log in Login

Menu

Systems
Replacement Filters & Cartridges
Components
Application
Water Problems
Blog
About Us
Contact Us
Clearance

Need Help?

Call (864) 284-1801

Home
Straight Fittings

Straight Fittings

Filters

Sort by:

Featured
Most relevant
Best selling

Compare

View as List Grid

FiltersFilter & Sort

Applied Filters

Clear all

Availability

In stock (2907)
Out of stock (1161)

Clear

Type

Adapters (1095)
Ball Valves (18)
Bushing Fittings (39)
Cap (End Stop) (42)
Collet Covers (11)
Copper Tubing (1)
Couplings (1839)
Fitting Cartridges (72)
Fitting Locking Clips (14)
Gaskets (3)
Kits & Tools (3)
Luer Fittings (116)
Luer Lock Rings (42)
Manifold Fittings (11)
Manifold Plates & Rails (5)
Needle Valves (3)
Nipple Fittings (57)
Nuts (24)
O-Rings (9)
Plug Fittings (84)
Reducer (79)
Shut-Off Valves (42)
Tube Insert/PEX Pipe Stiffeners (51)
Tube Sleeve (12)
U-Bend Fittings (1)

Clear

Brand

Basics (231)
Clack Corporation (10)
Colder Products (1417)
DMFit (103)
Eldon James (2)
Everpure Residential (1)
Fernco (4)
G.A. Murdock (7)
JACO Manufacturing Company (146)
John Guest (505)
Linktech (287)
Micro Plastics (1)
neoFit (518)
NewAge Industries (1)
Parker (172)
SharkBite® (40)
SHURflo (4)
Solventum (67)
T&S Brass (2)
Water Factory Systems (1)
Watts (23)
Watts AquaLock/SeaTech (131)

Clear

Fitting Connection Size

Clear

Push-In Size

Clear

Stem Size

5/32" OD (4)
3/16" OD (4)
1/4" OD (43)
5/16" OD (40)
3/8" OD (84)
1/2" OD (50)
5/8" OD (14)
3/4" OD (1)
7/8" OD (8)
1" OD (2)
1-1/8" OD (4)
4mm OD (10)
6mm OD (16)
8mm OD (24)
10mm OD (24)
12mm OD (16)
15mm OD (21)
22mm OD (20)
28mm OD (5)

Clear

Barb Size

1/16" (102)
3/32" (48)
1/8" (183)
5/32" (44)
3/16" (74)
1/4" (242)
5/16" (49)
3/8" (204)
1/2" (80)
5/8" (37)
3/4" (40)
1" (4)
1-1/8" (1)
1-1/4" (1)
1-1/2" (1)
3mm (32)
4mm (3)
5mm (1)
6mm (6)
8mm (2)
10mm (5)

Clear

Micron Rating

5 µm (Absolute) (1)

Clear

Body Material

Brass (7)
Brass-Plated Nickel (1)
Buna-N (1)
Chrome-Plated Brass (4)
EPDM (1)
FKM (Viton) (1)
Lead-Free Brass (7)
Nickel-Plated Brass (3)
Nylon (10)
Plastic (3)
Polyethylene (1)
Polypropylene (14)
Polysulfone (25)
PVDF (Kynar) (5)
Stainless Steel (1)

Clear

Seal / O-Ring Material

Buna-N (Nitrile) (964)
EPDM (915)
FKM (Viton®) (104)
Santoprene (TPV) (9)
Silicone (9)

Clear

Outer Diameter

0.3125 in (1)
0.375 in (2)

Clear

Valve Type

Non-Valved (810)
Valved (814)

Clear

Application

Bag-in-Box (3)
Central Heating (1)
Commercial-Industrial (2)
CPVC (2)
Fluids (4)
HVAC (1)
Industrial (1)
Medical Equipment (2)
Natural Gas (1)
Oil (2)
Plumbing (3)
Potable Water (1)
Reverse Osmosis (3)
Underfloor Heating (3)
Water (138)
Water Supply (2)

Clear

Color / Finish

Almond (97)
Biscuit (1)
Black (602)
Blue (54)
Brass (196)
Bronze (16)
Chrome (22)
Clear (2)
Gray (607)
Gray Overmold (1)
Green (3)
Natural (274)
Natural White (138)
Orange (5)
Purple (19)
Red (45)
Silver (211)
Stainless Steel (2)
Teal (10)
True White (3)
White (1316)
Yellow (4)

Clear

Shape

Elbow (1)
Straight (3633)

Clear

Series

Clear

Sort by:

Featured
Most relevant
Best selling

Compare

John Guest
John Guest Stem Barb Connector - 5/16 OD Stem x 1/4 ID Barb

Regular price From $1.27

Part #: PI251008S

Save up to 13% with bulk pricing
Compare

JACO Manufacturing Company
JACO 15-4-N-O Nylon Union Connector 1/4 OD Tube x 1/4 OD Tube

Regular price From $0.88

Part #: 15-4-N-O

Save up to 5% with bulk pricing
Compare

Colder Products
PMCD220412 Valved In-Line Hose Barb Coupling Insert 1/4 ID Barb

Regular price From $10.51

Part #: PMCD220412

Save up to 5% with bulk pricing
Compare

Colder Products
62800 NSF Valved Coupling Body 1/2 NPT

Regular price From $15.54

Part #: 62800

Save up to 5% with bulk pricing
Compare

Sold Out

Colder Products
Colder PTC22020 Non-Valved Free Floating Hose Barb Coupling Insert - 1/8 ID Barb

5.0

Regular price From $10.51

Sold out

Part #: PTC22020

Save up to 5% with bulk pricing
Compare

Sold Out

Colder Products
MCD2004 Valved In-Line PTF Coupling Insert 1/4 PTF

Regular price From $18.61

Sold out

Part #: MCD2004

Save up to 5% with bulk pricing
Compare

Colder Products
PMC1004 Male Thread Coupling Body 1/4 NPT

5.0

Regular price From $6.24

Very low stock

Part #: PMC1004:250PK

Save up to 5% with bulk pricing
Compare

neoFit
NeoFit - Acetal Black Stem Barb Connector 3/8" stem x 3/8" barb

Regular price From $1.42

Part #: ATBC66-E

Save up to 7% with bulk pricing
Compare

JACO Manufacturing Company
JACO 10-8-8-N-O Nylon Male Connector 1/2 OD Tube x 1/2 MPT

Regular price From $1.16

Part #: 10-8-8-N-O

Save up to 5% with bulk pricing
Compare

Linktech
LinkTech 50AC Series Straight Male, Non-valved, 1/4" HB, Natural Acetal

Regular price From $0.94

Part #: 50AC-PB2-04

Save up to 15% with bulk pricing
Compare

Sold Out

Colder Products
PLCD2200412 Valved In-Line Hose Barb Coupling Insert 1/4 ID Barb

Regular price From $10.16

Sold out

Part #: PLCD2200412

Save up to 5% with bulk pricing
Compare

Watts AquaLock/SeaTech
Watts AquaLock/SeaTech - Union Connector - 3/4 CTS

5.0

Regular price From $10.09

Part #: 3515-14

Save up to 5% with bulk pricing
Compare

JACO Manufacturing Company
JACO 15-4-P-PG Polypropylene Union Connector 1/4 OD Tube x 1/4 OD Tube

5.0

Regular price From $1.22

Part #: 15-4-P-PG

Save up to 5% with bulk pricing
Compare

John Guest
John Guest Polypro Tube to Hose - 3/8 OD Stem x 1/2 ID Barb

Regular price From $2.27

Part #: PP251216W

Save up to 12% with bulk pricing
Compare

John Guest
John Guest Female Adapter BSPP - 5/16 x 1/2 BSPP

Regular price From $4.54

Part #: PI451014FS

Save up to 12% with bulk pricing
Compare

Watts AquaLock/SeaTech
Watts AquaLock/SeaTech - Female Connector - 22mm x 3/4 NPS

Regular price From $7.01

Part #: 1607-1222

Save up to 32% with bulk pricing
Compare

Watts AquaLock/SeaTech
Watts AquaLock/SeaTech - Stackable Dual Stem Body - 1 CTS x 15mm

5.0

Regular price From $32.87

Low stock

Part #: 1184-1815

Save up to 6% with bulk pricing
Compare

Watts AquaLock/SeaTech
Watts AquaLock/SeaTech - In-Line Valve Type 39 - 3/8 CTS

5.0

Regular price From $11.28

Part #: 3539-08

Save up to 14% with bulk pricing
Compare

Colder Products
MC1004 Male Thread Coupling Body 1/4 NPT

Regular price From $14.00

Part #: MC1004

Save up to 5% with bulk pricing
Compare

Sold Out

Colder Products
PLCD14004 Valved In-Line Quick Connect Coupling Body 1/4 JG

5.0

Regular price From $13.16

Sold out

Part #: PLCD14004

Save up to 5% with bulk pricing
Compare

Colder Products
MCD1702 Valved In-Line Hose Barb Coupling Body 1/8 ID Barb

Regular price From $25.00

Part #: MCD1702

Save up to 5% with bulk pricing
Compare

Colder Products
LCD17004 Valved In-Line Hose Barb Coupling Body 1/4 ID Barb

Regular price From $30.86

Part #: LCD17004

Save up to 5% with bulk pricing
Compare

neoFit
NeoFit - Acetal Black Stem Barb Connector 1/4" stem x 1/4" barb

Regular price From $0.91

Part #: ATBC44-E

Save up to 9% with bulk pricing
Compare

John Guest
John Guest Male Connector NPTF - 5/8 x 3/4 NPTF

4.0

Regular price From $4.54

Part #: PI012026S

Save up to 12% with bulk pricing
Compare

John Guest
John Guest Male Connector BSPP - 1/4 x 1/4 BSPP

Regular price From $2.51

Part #: PI010812S

Save up to 13% with bulk pricing
Compare

John Guest
John Guest Plug - 15mm

Regular price From $1.31

Part #: PL15

Save up to 8% with bulk pricing
Compare

John Guest
John Guest Washing Machine Tap - 15mm x 3/4 BSP

Regular price From $6.20

Part #: 15APT

Save up to 7% with bulk pricing

Showing 567 of 3673

Want to learn more?

Your cart

Your cart is empty

Subtotal:$0.00 USD

Loading...

M - F 8:00am to 7:00pm EST

Call: (864) 284-1801

Toll Free: (877) 930-7295

2299 Ridge Road Greenville, SC 29607

3195 W Professional Circle Suite 200 - Salt Lake City, UT 84104

Facebook
YouTube
Instagram
LinkedIn

Shop

Water Filtration & Treatment Systems
Pumps & Motors
Fittings & Valves
Filter Housings & Components
Filters & Media
Tubing & Hoses
Food & Beverage Filtration Systems
Clearance
Parts & Accessories
Under-Sink & Countertop Water Filters
Brands
View All Categories

Help

Track My Order
Get a Quote
Shipping
Bulk Pricing
Returns
Contact Us

Info

About Us
neo™ Brand
Cleanroom Facility
Blog
Careers
Local Pickup
Industries
Certifications & Quality Standards

Payment methods accepted

Country/Region

United States (USD $)

© 2026 Fresh Water Systems - All Rights Reserved

Terms and Conditions
Privacy Policy
Accessibility

Compare /3

Loading...

Loading...

Choose options

Item added to your cart.

View cart