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(mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"124\"\u003e\u003cstrong\u003eHeight (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"108\"\u003e\u003cstrong\u003eWeight (kg)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"107\"\u003e\u003cspan\u003e340030\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd width=\"108\"\u003e650\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd width=\"118\"\u003e550\u003c\/td\u003e\n\u003ctd width=\"124\"\u003e650\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd width=\"108\"\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"column first\"\u003e\n\u003cdiv class=\"box act\" id=\"bgh979\" data-id=\"979\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e"}

Graf Optimax Filter External

£399.00
Maximum quantity available reached.
For the majority of SuDS and rainwater harvesting applications pre filtration is required to remove silt and organic matter from the system to prevent blockage and poor performance.
Features and Benefits: 
  • External filter to clean the rainwater before the tank
  • Available for pedestrian loading and for vehicle loading
  • Provides over 95 % water yield
  • Low maintenance as it is self cleaning
  • Continuously variable installation depth of 580 - 1,050 mm (22.8 - 41.3") using the telescopic dome shaft
  • Minimal height offset (200 mm) between the inlet and outlet
  • Maximum roof surface area of 350 m² with connections DN 100 and 750 m² with DN 150. 
  • Very smooth surface and therefore max. self-cleaning, mesh wide 0.35 mm (0.01")
  • Optional with cleaning unit external

Universal-Filter 3 external, suitable for pedestrian loading

order no.

Length (mm) Ø max. (mm) Height (mm) Weight (kg)
340030 650
550 650
14
There is no additional documentation for this product

We are fully operational and continue to dispatch. 

*Dispatch to the EU AND NI will be temporarily suspended until further notice - please accept our apologies.*

With the current situation, delays with delivery are expected due to lockdowns, reduced staffing, inundation of couriers from increased online ordering and a shortage of UK haulage drivers

  • Small items dispatched daily with RM24 ~85% arriving next day
  • Large items (UK made) typically 5 - 15 working days (Parcelforce/Tuffnells etc.) 
The following items have a 1-2 week lead time:  
  • Irrigatia tank systems
  • 800l wall tank
The following items have a 2-4 week lead time:
    • Enduramaxx tanks (all sizes)
    • Verticle Water Tank 1400 - 20,000 Litre (all sizes)
    The following items have a 2-3 week lead time:
    • water  butt planters: Midi-Metropolitan, Metropolitan, Tall City, City, 280l water butt planter
    • 280, 350, 400, 500, 650 V1, V2 and V3 rainwater tanks
    • 525l rainwater tank
    • All size water pillars
    • 1275l wall tank 
    • 75,85 litre compact tanks
    • 105 wall mounted
    • Heavy duty design water butt stands
    • 420l Just Water
    • 1,900l slimline
    • 1,100l Tank
    • All size D-shaped tank
    • 75l / 85l Mini Tank
      The following items (EU) are purchased on a pre order basis with a potential 4-10 week lead time:
      • 200l slim wall hung water butt
      The following items (EU) are purchased on a pre order basis with a potential 4-6 weeks lead time:
        • 1350 Slimline water tank
        • Horizontal Water Tank 2500 Litre
        The following items (EU) are purchased on a pre order basis with a potential 12 week lead time:
        • Rattan (oak, orange and blue)
          The following items (EU) are purchased on a pre order basis with a potential 6 months lead time:
          • 800l Wall Tank - Green 
          • 800l Green Wall Tank - All Filters 

          *Stock inventory is changing, EU inventory, previously available next day,  will no longer form Stock Inventory*

          Covid delivery updates between 12.3.20 and 11.1.21 21 have been archived here.

          ===========================================================

          *Delays, in some cases significant delays, are being experienced on some EU stock items. Please call in advance for stock items*

          We're a Manchester based company and ship to the UK at our standard rates. Please get in touch if you are based in the Highlands, UK island or Northern Ireland, surcharges may apply. 

          We also ship all small items (<2kg) to the EU at standard rates which can be seen at checkout. For larger items or quotes for other destinations please get in touch.

          We ship all small items (<2kg) Worldwide.  

          Our design and Prestige range is available in the Netherlands, Ireland, Belgium, France, Germany, direct or through our distributors.

          Stock items will be dispatched on the day of order, if ordered before 1pm.

          Letters are sent 1st class. 

          Parcels <2kg are shipped with Royal Mail 24 Tracked with the following target delivery times.

          A loss/replacement can only be pursued in line with the target delivery times of the courier or once the courier accept loss. 

          Bulky items (and pallet deliveries) are dispatched within 2-5 working days. We will request a contact number if this has not been provided at checkout. 

          Some items are made to order (bespoke) and details are given on the listing for dispatch times.  If for any reason we anticipate a delay on our normal dispatch time we will contact you to let you know.

          Occasionally there are delays. We shall not be liable for any direct or indirect losses, costs, damages or expenses incurred by you or any other person for any delays in delivery.

          Missed deliveries where attempted delivery has been made usually result in re-deliveries the following day. The customer is responsible for organising re deliveries by contacting the courier direct

          Parcels/deliveries can only be "left out" if the delivering company allows that option. Parceforce, for example, do not allow a parcel to be "left out". 

          We are an environment centric business and as such we try to minimise our waste. Our packaging is usually recycled and/or recyclable and we make efficient use of packaging to minimise wastage.