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9 cubm/hr 3.00m long fine bubble air diffuser for waste water treatment

9 cubm/hr 3.00m long fine bubble air diffuser for waste water treatment

Fine bubble high performance air diffusers. Semi flexible diffuser construction 300cm long 32mm diameter. Maximum recommended air flowrate is 10 cubic metres of air per hour. Materials of construction are plastic with 316 stainless steel end fittings, aslo fitted with non return valve in diffuser. Diffuser contains its own internal fused silica bead ballast. End fittings are 1/2" acetyl plastic as standard.

The Dryden Air diffuser is the leading air diffuser used in UK aquaculture, treatment of leachate water on landfill sites, sewerage treatment and numerous other applications.


OEM and dealer enquires welcomed
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AFM grade 1 filtration media

AFM grade 1 filtration media

AFM (Advanced Filtration Media) grade 1 is the standard sized AFM media equivalent to 16 x 30 grade sand. M

Supplied in 25kg sacks, grade 1 particle size 0.5mm to 1.10mm. Media should be used on top of a layer of grade 2 AFM.

Price is per 25kg sack

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Oxygen standard probe

Oxygen standard probe

High performance, very robust galvanic oxygen probe for the measurment of dissolved oxygen in water, waste water and air. Completely sealed internals, so there is no risk of insulation failure, heavy duty Sub Sea cable, high mv out-put 6.5 mv to approx 1mg/l dissolved oxygen. Ideal probe for the Dryden Aqua, AquaTraul system or your own oxygen monitors such as multichannel or stand-alone PLC based systems.

The probe is supplied with 5 meters of cable (alternative lengths available), pack of 5 membranes and 50ml of electrolyte.

Please enquire about discounts for orders of 10 or more.
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Aquaculture | Water Technology | Environmental Products.....delivered worldwide

Water-proof paper & notepads

dry1 | Water-proof paper & notepads

Water-proof notepad

Water-proof notepad

Ref: 13.3.1


Price: (9 or fewer items) £6.22 / €7.15 (Excluding VAT at 17.5%)
Price: (10 to 0 items) £4.98 / €5.73 (Excluding VAT at 17.5%)

Plastic wallet containing a notepad with pencil, the notepad contains 30 sheets, 105mm x 156mm of water-proof paper. If you work in the wet, and need to take notes, then this product is the answer.
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Refills for note pad

Refills for note pad

Ref: 13.3.2


Price: (9 or fewer items) £3.58 / €4.12 (Excluding VAT at 17.5%)
Price: (10 to 0 items) £2.87 / €3.30 (Excluding VAT at 17.5%)

Refill for the notepad 13.3.2, contains 30 ring bound sheets
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Water-proof paper A4 sheets

Water-proof paper A4 sheets

Ref: 13.3.3


Price: (9 or fewer items) £42.06 / €48.37 (Excluding VAT at 17.5%)
Price: (10 to 9 items) £30.43 / €34.99 (Excluding VAT at 17.5%)
Price: (10 to 0 items) £34.90 / €40.14 (Excluding VAT at 17.5%)

Water-proof A4 loose leaf sheets, (250 sheets) The paper can be used with a laser printer or photo-copier to make total water-proof copies with the same strength whether they are wet or dry. Ideal for producing forms, maps, plans and charts.
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dry1 > Water-proof paper & notepads

Prices shown are all ex-works Edinburgh Scotland