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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.
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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
(For bulk quantities and dealer prices please contact us directly at aqua@drydenaqua.com )
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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.
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3 cubm/hr 1.0m long fine bubble air diffuser

3 cubm/hr 1.0m long  fine bubble air diffuser

Fine bubble high performance air diffusers. Semi flexible diffuser construction 100cm long 32mm diameter. Maximum recommended air flowrate is 3 cubic metres of air per hour. Materials of construction are plastic with 316 stainless steel end fittings. Diffuser contains its own internal fused silica bead ballast. End fittings are 3/8" 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.
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2 cubm/hr 0.66m long fine bubble air diffuser

2 cubm/hr 0.66m long fine bubble air diffuser

Fine bubble high performance air diffusers. Semi flexible diffuser construction 66cm long 32mm diameter. Maximum recommended air flowrate is 2 cubic metres of air per hour. Materials of construction are plastic with 316 stainless steel end fittings. Diffuser contains its own internal fused silica bead ballast. End fittings are 3/8" 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.
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Aquaculture | Water Technology | Environmental Products.....delivered worldwide

Filter sand & pea gravel

dry1 | AFM & other types of filter media | Filter sand & pea gravel

Filter sand 16/30 mesh size

Filter sand 16/30 mesh size

Ref: 5.2.1


Price: £292.59 / €380.37 (Excluding VAT at 17.5%)

Standard high quality filter grade sand graded to 16/30 mesh size, suitable for all pressure filters and gravity flow filters.

Applications include drinking water treatment, swimming pools, aquaculture, sewerage treatment and industrial applications.

Packed in 25 Kg sack., in 1 tonne pallet oads

Filter sand 8/16 mesh size

Filter sand 8/16 mesh size

Ref: 5.2.2


Price: £310.00 / €403.00 (Excluding VAT at 17.5%)

Standard high quality filter grade sand graded to 8/16 mesh size, suitable for all pressure filters and gravity flow filters.

Applications include drinking water treatment, swimming pools, aquaculture, sewerage treatment and industrial applications.

Packed in 25 Kg sacks, in 1 tonne pallet loads

Pea gravel for base of filters

Pea gravel for base of filters

Ref: 5.2.5LB


Price: £284.00 / €369.20 (Excluding VAT at 17.5%)

Pea gravel makes an excellent base for filter beds. The product should be used in the filter to cover the laterals to a depth of at least 150mm. Standard grade 16 x 30 sand or AFM grade 2 and grade 1 can then be used on top of the pea gravel.

Packed in 1 tonne pallet loads

dry1 > AFM & other types of filter media > Filter sand & pea gravel

Prices shown are all ex-works Edinburgh Scotland