Watson-Marlow Flexicon Style Filler Needles

OEM replacement needles in 21 standard sizes. Custom tip designs available.

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Watson-Marlow Flexicon Style Filler Needles


Direct Replacements

Overlook Watson-Marlow Flexicon style filler needles are a direct replacement for standard needles on a Watson-Marlow Flexicon liquid filling machine. Overlook filler needles are superior to the OEM design in the following ways:

Superior hose barb design ensures secure tubing connection to filler needle

Laser welding of Overlook 316L SS needles leaves no weld witness on ID of fluid path

Overlook was first to market in 2006 to release our validated, ready-to-use OneShot™ single-use filler needles


ID x OD (MM)

Standard Sizes


• 0.5 x 0.8

0.6 x 0.9

• 0.8 x 1.3

• 1.0 x 1.5

• 1.1 x 1.5

• 1.2 x 1.6

• 1.5 x 1.8


• 1.6 x 2.1

2.0 x 2.4

• 2.1 x 2.8

• 2.5 x 3.0

• 3.0 x 3.8

• 3.2 x 4.0

• 3.4 x 4.2


• 3.5 x 4.0

4.0 x 5.0

• 4.4 x 5.2

• 4.8 x 5.5

• 5.0 x 6.0

• 6.0 x 7.0

• 7.0 x 8.0


How To Order

We use a specific protocol to provide the utmost transparency and service to our customers at every step of the ordering process:


A quote for your item will be provided, either with the requested quantity or standard price breaks.

We ask that all orders submitted to our sales team include part-number, item quantity and per-item price.

After receipt of PO, an acknowledgement will be sent by our sales team within 48 hours to verify order info, including expected ship date.

Once your PO has been acknowledged, our production team will begin working on your order.

Once your items are completed, they will be inspected, bagged and shipped per our QMS. Certificate of compliance accompanies each order.


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Request a Quote

Please use this form to request pricing. Our sales team will get in touch with you as soon as possible.